Test 6 Review .6

oxygen in the water varies widely because of the...

# of producers, # of decomposers, and temperature

In mountain biomes, it is estimated that each 100 meter gain in elevation is roughly equivalent to a _ kilometer change in latitude

100

what ocean zone receives enough sunlight for photosynthesis

2nd to the top

oceans cover about ___% of the earth's surface

70%

A meteorologist collecting data in the field is least likely to use

A computer model

If you dug down around the roots of a big tree in a tropical rain forest, you would be surprised to see

A deep vertical taproot

Desert ecosystems are threatened least by

A nomadic lifestyle

What is a false statement about weather

Air at the lower latitudes tend to cool and fall or sink downward

Which of the following is false?

Air at the lower lattitudes tends to cool and fall or sink downward

Climate is influenced by...

All of the above

Arctic tundra is perhaps earths most fragile biome because of

All of these answers

Deserts are used for...

All of these answers

Humans affect mountain biomes by

All of these answers

Humans have affected coniferous forests by

All of these answers

Permafrost is characteristic of the

Arctic tundra

Thick spongy mats of low growing plants are typical to the

Arctic tundra

You visit the museum of natural history. The curator shows you burrow-dwelling small animal with thick fur. You predict that the animal came from the

Arctic tundra

A desert is an area where...

Average annual precipitation is less than 10 inches

Which of the following choices is false? Oceans are important because they A)participate in the biogeochemical cycles B)are one of the most highly productive ecosystems in the world on a unit area basis. C)provide a source of many natural resources, such as minerals and fossil fuels. D)regulate climate

B

Large ecological regions with characteristic types of natural, undisturbed ecological communities are called...

Biomes

Trees of wet tropical rain forests tend to be

Broad leaf evergreen plants

Trees of wet tropical rain forests tend to be...

Broad-leaf evergreen plants

Trees of the tropical rainforest are most likely to have leaves that are

Broadleaf and evergreen

Which of the following microclimate effects is incorrect?

Cities tend to have lower temperatues and higher wind speeds then the surrounding countryside

What is an incorrect statement about microclimate effects

Cities tend to have lower temperature and higher wind speeds than the surrounding countryside

Which of the following microclimate effects is incorrectly described?

Cities tend to have lower temperatures and higher wind speeds than the surrounding country side

Which of the following microclimate effects is incorrectly described?

Cities tend to have lower temperatures and higher wind speeds than the surrounding countryside.

Humans have effected coniferous forests by

Clear cutting for lumber, hunting predators, and large scale mining

The most important factor in determining which biome is found in a particular area is...

Climate

You glance up at the sky and observe a giant thunderhead. You predict the arrival of a

Cold front

Trees with needle like leaves that are kept year round are especially abundant in which biome?

Coniferous forest

Tress with needle like leaves that are kept year round are especially abundant in which biome

Coniferous forest

If you find yourself in an extremely cold are covered primarily with fir, spruce, and cedar trees, you are most likely in a

Coniferous forest Taiga

Trees with needlelike leaves that are kept year round are especially abundant in which biome?

Coniferous forest.

The term upwelling refers to the movement of

Cool, nutrient rich water from the bottom to the surface

If you were to make a census in the temperate deciduous forest in the United States, the most likely dominant mammal species would be

Deer

The term greenhouse effect...

Describes the trapping of heat energy in the troposphere by certain gaseous molecules

The biome threatened by motorcycles and off road vehicles is the _ biome

Desert

Succulent plants are most likely to be found in

Deserts

Succulent plants are most likely to be found in...

Deserts

The rain shadow effect refers to

Drier conditions on the leeward side of mountain ranges

The rain shadow effect refers to...

Drier conditions on the leeward side of mountain ranges

Which of the adaptations would you least expect to find in desert animals?

Drink and store large amounts of water

Which of the following adaptations would you least expect to find in desert animals?

Drink and store large amounts of water.

When upwellings of cold, nutrient-rich water are suppressed

ENSO

In a chaparral, you are least likely to find

Epiphytes and a dense understory

Which of the following is not characteristic of the tropical desert

Few grazing animals

Microclimates are least likely to be produced by

Flat plains

Microclimates are most likely to be produced by...

Flat plains

Plants of the arctic tundra are adapted to

Freezing temperatures, lack of sunlight, and constant high winds

Mature temperate deciduous forests_ than tropical rain forests

Have more plant life at ground level

Mature temperate deciduous forests____than tropical rain forests

Have more plant life at ground level

Which of the following is false? Temperate deciduous forests...

Have nutrient poor soil

In a tropical rain forest, direct sunlight is strongest

In the emergent layer

In a tropical rainforest, direct sunlight is strongest

In the emergent layer

Upwellings characteristically occur

In the open ocean

Ozone....

In the stratosphere forms a thermal cap important in determining the average temperature of the troposphere

Which of the following describes where a natural grassland is most likely to be found

In the zone lying between a forest and desert

Which of the following describes where a natural grassland would most likely be found?

In the zone lying between forest and desert.

The most probable chain of cause and effect contributing to patterns of the earths biome is

Incoming solar energy and the earths geometry create air and ocean currents that create climate patterns that create biome patterns

Which of the following is not a characteristic of some desert plants?

Large leaves that droop in the bright sunlight

Which of the following is not characteristic of some desert plants

Large leaves that droop in the bright sunlight

Which of the following is not characteristic of some desert plants?

Large leaves that droop in the bright sunlight.

Climate and vegetation vary with...

Latitude and altitude

Most if the nutrients in the tropical rain forest are found in the

Living organisms

Most of the nutrients in the tropical rain forests are found in the

Living organisms

The fragility of the desert ecosystem is indicated by

Long regeneration time from vegetation destruction

Arctic tundra is perhaps the earths most fragile biome because of the

Low rate of decomposition, shallow soil, slow growth rate of plants, and bitter cold

If you were exploring a desert ecosystem, which of the following species would you least expect to find

Maple tree

If you were exploring a desert ecosystem, which of the following species would you least expect to find?

Maple tree

If you were exploring a desert ecosystem, which of the following species would you least expect to find?

Maple tree.

Which of the following are examples of deciduous plants

Maples and oaks

Which of the following are examples of deciduous plants?

Maples and oaks

Which of the following are examples of deciduous plants?

Maples and oaks.

Mountain biomes

May act as sanctuaries for animal species driven from lowland areas

A rain shadow is most likely to be produced by a

Mountain

All of the following are greenhouse gases except

Nitrogen

All of the following are greenhouse gasses except...

Nitrogen

In a tropical rainforest, you would expect to find relatively open space free of vegetation

On the forest floor

____can convert grasslands into desert

Overgrazing

_can convert grasslands into desert

Overgrazing

_____ can convert grasslands into desert.

Overgrazing.

Feature of weather include all of the following except

Ozone concentration

Which of the following are examples of evergreen plants?

Pines and cedars

Which of the following are examples of evergreen plants?

Pines and cedars.

Humans affect grasslands by

Planting crops, grazing domestic herds, drilling wells for water

Generally, the limiting factor that controls the vegetative character of a biome is...

Precipitation

The limiting factor that controls the vegetative character of a biome is

Precipitation

Which of the following is not appropriate to use in describing a tropical rain forest

Rich soil

Which of the following is not appropriate to use in describing a tropical rain forest?

Rich soil.

If you dug around the roots of a big tree in the tropical rainforest, you would be surprised to see

Roots spread out through the nutrient-poor, moist, thin soil later

If you were a national geographic reporter assigned to cover large herds of grazing, hoofed animals, where would you most likely journey?

Savanna

If you were a National Geographic reporter assigned to cover large herds of grazing, hoofed animals, where would you most likely journey?

Savanna.

Philodendrons and other office plants are most likely to come from which of the following layers of the tropical rain forest

Shrub layer

Philodendrons and other office plants are most likely to come from which of the following layers of the tropical rain forest?

Shrub layer

Philodendrons and other office plants are most likely to come from which of the following layers of the tropical rain forest?

Shrub layer.

There are _separate belts of moving air or prevailing winds

Six

Primary limiting factor of the rain forest is

Soil nutrients

The primary limiting factor of the rainforest is

Soil nutrients

Many species of hoofed animals can live together in the African tropical savannas because they have_ eating habits that _ competiton for resources

Specialized... minimize

Many species of hooves animals can live together in the African tropical savannas because they___eating habits that___ competition for resources...

Specialized; minimize

Animal species of the temperate deciduous forest often confine their life activities to a particular layer within the forest. Which of the following species, however, would be considered a "commuter" between the canopy and the forest layer

Squirrel

Which of the following biomes does not belong with the others

Steppes

Which of the following biomes does not belong with the others?

Steppes.

Deserts are used for

Storage of toxic and radioactive wastes

Come bearing trees are characteristic of the

Taiga

Cone bearing trees are characteristic of the

Taiga

If you were walking through a forest dense with oak and hickory and thick with leaf litter underfoot, you would probably assume that you are in a

Temperate deciduous forest

Which of the following biomes has been most disturbed by human activities?

Temperate deciduous forest

Which of the following biomes has been most disturbed by human activities?

Temperate deciduous forests.

Field ecologist reports seeing beetles, spiders, grasshoppers etc. where are they located?

Temperate grassland

You read the data records of a field ecologist who reports the following varieties of species: beetles, spiders, grasshoppers, many species of invertebrates , earthworms, prairie dogs, rabbits, squirrels, meadowlarks, coyotes, fixes and hawks. You conclude that the field ecologist is located in a...

Temperate grassland

The two most important factors determining the climate of an area are

Temperature and precipitation

The two most important factors in climate are

Temperature and precipitation

The two most important factors in climate are...

Temperature and precipitation

Climate is influenced by

The amount of incoming solar radiation, earths rotation, the tilt it earths axis, and the moons gravity

Which of the following statements of cause and effect is false?

The earth's rotation is faster under air at the poles causing the prevailing winds

Which of the following statements of cause and effect is false?

The earth's rotation si faster under air at the poles causing the prevailing winds.

What is a false statement about cause and effect

The earths rotation being faster under air at the poles causes the prevailing winds

The intro of gas powered pumps to tap underground water supplies in the desert has served as a positive feedback loop to all of the following except

The kangaroo rat population

You are going on a scientific expedition from the equator to the North Pole. As you leave the coniferous forest behind, you anticipate next exploring...

The role of lichens and moss in boggy ecosystems

You are going on a scientific expedition from the equator to North Pole. As you leave the coniferous forest behind, you anticipate next exploring

The role of lichens and mosses in boggy ecosystems

The term greenhouse effect describes

The trapping of heat energy in the troposphere by certain gaseous molecules

Nights in deserts are cold because

There is a poor insulating effect from the deserts dry air

Nights in deserts are cold because...

There is a poor insulating effect from the deserts dry air

A mature____has the greatest species diversity of all terrestrial biomes

Tropical rain forest

A mature_has the greatest species diversity of all terrestrial biomes

Tropical rain forest

The biome most likely to be found at the top of a very tall tropical mountain is...

Tundra

The biome most likely to be found on the top of a very tall tropical mountain is the

Tundra

During El Niño southern oscillation

Upwellings of cold, nutrient rich water are suppressed

You are an ecologist on location in chaparral country. You would he surprised to find

Very wet winters

You turn to the weather channel. The weather reporter is predicting the arrival of a high pressure air mass. You are most likely to

Wear a jacket that suits the temperature

Which of the following modes of pollination would you least expect to find in a tropical rain forest

Wind

There are fewer species in the coniferous forest that the deciduous forest because few species can survive the

Winters, when soil moisture is frozen

A meteorologist collecting data in the field is least likely to use what equipment?

a computer model

if you dug down around the roots of a big tree in a tropical rain forest you could be surprised to see

a deep vertical tap root

If you dug down around the roots of a big tree in a tropical rain forest, you would be surprised to see...

a deep, vertical taproot

If you dug down around the roots of a big tree in a tropical rain forest, you would be surprised to see

a deep, vertical taproot.

Desert ecosystems are threatened least by

a nomadic lifestyle

Desert ecosystems are threatened least by...

a nomadic lifestyle

desert ecosystems are threatened least by

a nomadic lifestyle

Desert ecosystems are threatened least by

a nomadic lifestyle.

populations of organisms living in aquatic life zones may be limited by what?

access to light, nutrient availability, dissolved in oxygen

chaparrals

adapted to periodic fires and is home to some shrubs that have seeds that sprout only after fire

Humans impact the worlds forests by

all of the above

climate is influenced by...

all of the above

human impact the worlds forest by

all of the above

Humans impact the world's forests by

all of the above.

arctic tundra is perhaps earths most fragile biome because of

all of these answers

deserts are used for

all of these answers

humans effect mountains biomes by

all of these answers

humans have effected coniferous forest by

all of these answers

Arctic tundra is perhaps earth's most fragile biome because of

all of these answers.

Climate is influenced by

all of these answers.

Deserts are used for

all of these answers.

Humans affect grasslands by

all of these answers.

Humans affect mountain biomes by

all of these answers.

Humans have affected coniferous forests by

all of these answers.

which of the following make life on earth possible?

all the above

niche

an organism's range of tolerance for physical and chemical conditions

Permafrost is characteristic of the...

arctic tundra

Thick, spongy mats of low-growing plants and permafrost are typical of the...

arctic tundra

Thick, spongy mats of low-growing plants are typical of the...

arctic tundra

permafrost is characteristic of the

arctic tundra

thick spongy mats of low growing plants are typical of the

arctic tundra

you visit the museum of natural history. the curator shows you a burrow-dwelling small animals with fur. you predict that the animal came from the

arctic tundra

Permafrost is a characteristic of the

arctic tundra.

Thick, spongy mats of low-growing plants are typical of the

arctic tundra.

You visit the Museum of Natural History. The curator shows you a burrow-dwelling small animal with thick fur. You predict that the animal came from the

arctic tundra.

Thick, spongy mats of low growing plants are typical of the...

artic biome

You visit the Museum of Natural History. The curator shows you a burrow dwelling small animal with thick fur. You predict that the animal came from the...

artic tundra

a desert is an area where

average annual percipitaionl is less that 10 inches

A desert is an area were...

average annual precipitation is less than 10 niches

Cities established on barrier islands are subject to what?

beach erosion, hurricanes, and flooding

Large ecological regions with characteristic types of natural, undisturbed ecological communities are called...

biomes

large ecological regions with characteristic types of natural, undisturbed ecological communities are called

biomes

large ecological regions with characteristic types of natural, undisturbed ecological communities are called what?

biomes

Large ecological regions with characteristic types of natural undisturbed ecological communities are called

biomes.

trees of wet tropical rain forest tend to be

broad-leaf evergreen plants

trees of wet tropical rain forests tend to be what?

broad-leaf evergreen plants

Trees of wet tropical rain forests tend to be

broad-leaf evergreen plants.

trees of the tropical rainforest are most likely to have leaves that are

broadleaf and evergreen

Trees of the tropical rainforest are most likely to have leaves that are

broadleaf and evergreen.

Trees of wet tropical rain forests tend to be what?

broadleaf evergreen plants

which of the following microclimate effects is incorrectly described

cities tend to have lower temps and higher winds than country sides

biomes

classified according to predominant vegetation and characterized by adaptions of organisms to that particular environment

Humans have effected coniferous forests by...

clear cutting, hunting predators, and large-scale mining

Humans have effected coniferous forests by

clear-cutting for lumber, hunting predators, and large scale mining (all of the above)

The most important factor in determining which biome is found in a particular area is...

climate

the most important factor in determining which biome is found in a particular area is

climate

what is influenced by the amount of incoming solar radiation, earth's rotation, the tilt of the earth's axis, and the moon's gravity?

climate

what is the most important factor in determining which biome is found in a particular area?

climate

The most important factor in determining which biome is found in a particular area is

climate.

The ecosystems with the world's highest net primary productivities per unit area are found in the...

coastal zone

you glance up at the sky and observe a giant thunderhead. You predict the arrival of a what?

cold front

If you find yourself in an extremely cold area covered primarily with spruce, fir, and cedar trees, you are most likely in a...

coniferous forest

Trees with needlelike leaves that are kept year round are especially abudant in which biome?

coniferous forest

Trees with needlelike leaves that are kept year round are especially abundant in which biome?

coniferous forest

if you find yourself in an extremely cold area covered primarily with spruce, fir, and cedar trees, you are most likely in a

coniferous forest

trees with needlelike leaves that are kept year round are especially abundant in which biome?

coniferous forest

In terms of biodiversity, the tropical rain forest is to land environments as the ____ is to water environments

coral reefs

If you were to make a census in a temperate deciduous forest in the United States, the most likely dominant mammal species would be...

deer

If you were to make a census in a temperate deciduous forest in the United States, the most likely dominant mammal species would be?

deer

if you were to make a census in a temperate deciduous forest in the united state the most likely dominant species would be

deer

If you were to make a census in a temperate deciduous forest in the United States, the most likely dominant mammal species would be

deer.

the term green house effect

describes the trapping of heat energy in the troposphere by certain gaseous molecules

The term greenhouse effect

describes the trapping of heat energy in the troposphere by certain gaseous molecules.

The biome threatened by motorcycles and off road vehicles is the ____ biome.

desert

succulent plants are most likely to be found in

desert

what biome's average annual precipitation is less than 10 inches?

desert

The biome threatened by motorcycles and off-road vehicles is the _______ biome.

desert.

Succulent plants are most likely to be found in...

deserts

Succulent plants are most likely to be found in

deserts.

Thriving coral reefs require what?

dissolved oxygen and nutrients

What illustration does not match the accompanying ecological concept?

dissolved oxygen is a primary limiting factor

Life in both saltwater and freshwater ecosystems can be limited by what?

dissolved oxygen, temperature, and access to sunlight for photosynthesis

grasslands

don't have large trees and shrubs because of seasonal droughts, large herbivores, and occaisonal fires

The rainshadow effect refers to...

drier conditions on the leeward side of mountain ranges

the rain shadow effect refers to

drier conditions on the leeward side of mountain ranges

The rain shadow effect refers to

drier conditions on the leeward side of mountain ranges.

what adaptation would not be found in desert animals?

drink and store large amounts of water

which of the following adaption s would you least expect to find in desert animals

drinking and store large amounts of water

In a chaparral, you are least likely to find

epiphytes and a dense understory

in a chaparral, you least likely to find

epiphytes and a dense understory

Humans effect moutain biomes by

expanding populations who may use the land in an unsustainable way, ecotourism and recreation, and increased air pollution from urban areas (all of the above)

T/F Temperate deciduous forests has nutrient-poor soil

false

what ocean zone does photosynthesis stop occurring?

first from the very bottom

Microclimates are least likely to be produced by what?

flat plains

microclimates are least likely to be produced by

flat plains

Microclimates are least likely to be produced by

flat plains.

Plants of the arctic tundra are adapted to what?

freezing temp, lack of sunlight, and constant high winds

Plants of the artic tundra are adapted to...

freezing temperatures, lack of sunlight, and constant high winds

Plants of the arctic tundra are adapted to

freezing temperatures, lack of sunlight, and constant high winds.

plants of the arctic tundra are adapted to

freezing temps;lack of sunlight; and constant high winds

temperate deciduous forest

have four distinct seasons and are generally dominated by broadleaf deciduous trees

Mature temperate deciduous forests ____ than tropical rain forests.

have more plant life at ground level

Mature temperate deciduous forests_____ than tropical rain forests.

have more plant life at ground level

Mature temperate deciduous forests _____ than tropical rain forests.

have more plant life at ground level.

succulent plants

have no leaves and can store water and synthesize food in their tissue in order to survive in very dry climates

which of the following is false? temperate deciduous forest

have nutrient poor soil

Which of the following is false? Temperate deciduous forests...

have nutrient-poor soil

Which of the following is false? temperate deciduous forests...

have nutrient-poor soil

Which of the following is false? Temperate deciduous forests

have nutrient-poor soil.

Which of the following adaptions would you least expect to find in desert animals?

have thick outer coverings to minimize water loss

tropical rain forest

have very high NPP, warm temperatures, and are dominated by broadleaf evergreen plants

Which of the following is not characteristic of the tropical desert?

humid conditions

In a tropical rainforest, direct sunlight is strongest

in the emergent layer

in a tropical rainforest direct sunlight is strongest

in the emergent layer

In a tropical rainforest, direct sunlight is strongest

in the emergent layer (above canopy).

Ozone

in the stratosphere forms a thermal cap important in determining the average temperature of the troposphere.

What is true about ozone?

in the stratosphere it forms a thermal cap important in determining the average temperature of the troposphere

Which of the following describes where a natural grassland would most likely be found?

in the zone lying between forest and desert

which of the following describes where a natural grassland would most likely be found

in the zone lying between forest and desert

Geographical perspective helps us to understand ecolody by helping us to make connections...

in time and space

In its broadest sense, geographical perspective helps us to understand ecology by helping us to make connections

in time and space.

The most probable chain of cause and effect contributing to patterns of earth's biomes is

incoming solar energy and the earth's geometry create air and ocean currents that create climate patterns that create biome patterns.

The earth's biomes were most likely created step by step by...

incoming solar energy and the earth's geometry create air and ocean currents that create climate patterns that create biomes

ocean currents

integral transports for water, determining weather patterns, and distributing dissolved oxygen and nutrients in oceans

which of the following is not a characteristics of some desert plants

large leaves that droop in the bright sun

Which of the following is not characteristic of some desert plants?

large leaves that droop in the bright sunlight

climate and vegetation vary with

latitude and altitude

climate and vegetation vary with what?

latitude and altitude

climate and vegetation vary with...

latitude and altitude

Climate and vegetation vary with

latitude and altitude.

Most of the nutrients in the tropical rainforest are found in the

living organisms.

The fragility of the desert ecosystem is indicated by...

long regeneration time from vegetation destruction

The fragility of the desert ecosystem is indicated by

long regeneration time from vegetation destruction.

Arctic Tundra is perhaps Earth's most fragile biome because of the what?

low rate of decomposition, shallow soil, slow growth rate of plants, and bitter cold

Artic tundra is perhaps earth's most fragile biome because of

low rate of decomposition, shallow soil, slow growth rate of plants, bitter cold (all of the above)

What tree is a characteristic of a tropical coastal wetland?

mangrove

If you were exploring a desert ecosystem, which of the following species would you least expect to find?

maple tree

if you were exploring a desert ecosystem, which of the following species would you least expect to find

maple tree

which of the following are examples of deciduous plants

maples and oaks

what is an example of deciduous plants?

maples, hickories, and oaks

Mountain biomes

may act as sanctuaries for animal species driven from lowland areas

Mountain biomes...

may act as sanctuaries for animal species driven from lowland areas

mountain biomes

may act as sanctuaries for animal species driven from lowland areas

Mountain biomes

may act as sanctuaries for animal species driven from lowland areas.

Out on a fishing boat, a swordfish is caught. You would most likely classify this species as a member of what?

nekton

all of the following are green house gases exce

nitrogen

All of the following are greenhouse gases except

nitrogen.

Lakes that have few minerals and low productivity are referred to as what?

oligotrophic

In a tropical rainforest, you would expect to find a relatively open space free of vegetation

on the forest floor

In a tropical rainforest, you would expect to find relatively open space free of vegetation where?

on the forest floor

in a tropical rainforest, you would expect to find relatively open space free of vegetation

on the forest floor

In a tropical rainforest, you would expect to find relatively open space free of vegetation

on the forest floor.

.................. can convert grasslands into deserts

overgrazing

___ can convert grassland into desert

overgrazing

NOT a feature of weather

ozone concentration

Features of weather include all of the following except

ozone concentration.

In your explorations as a marine biologist, you find a new species of algae floating on the surface of a coastal zone. You would most likely classify this species as what?

phytoplankton

which of the following are examples of evergreen plants

pines and cedars

Humans affect grasslands by

planting crops, grazing domestic herds, and drilling wells for water (all of the above)

Generally, the limiting factor that controls the vegetative character of a biome is what?

precipitation

Generally, the limiting factor that controls the vegetative character of a biome is...

precipitation

generally, the limiting factor that control the vegetative character of a biome is

precipitation

what are the two most important factors in climate

precipitation and temperature

Generally, the limiting factor that controls the vegetative character of a biome is

precipitation.

All of the following threaten the survival of coral reefs except A)chemical pollution B)predation by sharks C)increased ultraviolet light from stratospheric ozone depletion D)eroded from deforestation and poor land management

predation by sharks

The best long-range strategy to reduce beach erosion is to do what?

prevent development on beach areas

What is NOT a reason estuaries and coastal wetlands are important?

providing coral for limestone production

drier conditions on the leeward side of mountain ranges

rain shadow effect

Which of the following is not appropriate to use in describing a tropical rain forest?

rich soil

which of the following is not appropriate to use in describing a tropical rain forest

rich soil

Mangrove swamps does NOT serve what function?

salt mining

If you were a National Geographic reporter assigned to cover large herds of grazing, hoofed animals, where would you most likely journey?

savanna

if you were a national geographic reporter assigned to cover large herds of grazing, hoofed animals, where would you most likely journey?

savanna

Over half of the area of estuaries and coastal wetlands in the united states has been destroyed or damaged by what?

sewage runoff, filling, and pesticide and heavy metal pollution

Philodendrons and other office plants are most likely to come from which of the following layers of the tropical rain forest?

shrub layer

philodendrons and other office plants are most likely to come from which of the following layers of the tropical rainforest

shrub layer

The primary limiting factor of the rainforest is what?

soil nutrients

the primary limiting factor of the rain forest is

soil nutrients

The primary limiting factor of the rain forest is

soil nutrients.

Many species of hoofed animals can live together in the African tropical savannas because they have____ eating habits that____ competition for resources.

specialized . . . . maximize

Many species of hoofed animals can live together in the African tropcial savanna because they have ____ eating habits that ____ competition for resources.

specialized... minimize

many species of hoofed animals can live together in the African tropical savannas because the have .........eating habits that...............competition for resources

specialized... minimize

Many species of hoofed animals can live together in the African tropical savannas because they have _____ eating habits that ______ competition for resources.

specialized..... minimize.

Many species of hoofed animals can live together in the African tropical savannas because they have ____ eating habits that ____ competition for resources.

specialized...minimize

Animal species of the temperate deciduous forest often confine their life activities to a particular layer within the forest. What species would be considered a "commuter" between the canopy and the forest layer?

squirrel

Animal species of the temperate deciduous forest often confine their life activities to a particular layer within the forest. Which of the following species, however, would be considered a "commuter" between the canopy and the forest layer?

squirrel

which of the following biomes does not belong with the others?

steppers

Which of the following biomes does not belong with the others?

steppes

All of the following would be considered types of temperate grasslands except...

taiga

If you find yourself in an extremely cold area covered primarily with spruce, fir, and cedar trees, you are most likely in a...

taiga

cone bearing trees are characterized of the

taiga

All of the following would be considered types of temperate grasslands except

taiga.

Cone-bearing trees are characteristic of the

taiga.

If you find yourself in an extremely cold are covered primarily with spruce, fir, and cedar trees, you are most likely in a

taiga.

If you are walking through a forest dense with oak and hickory trees and thick with leaf litter underfoot, you would probably assume you are in a...

temperate deciduous forest

Which of the following biomes has been most disturbed by human activities?

temperate deciduous forest

which of the following biomes has been most disturbed by human activities

temperate deciduous forest

If you are walking through a forest dense with oak and hickory trees and thick with leaf litter underfoot, you would probably assume you are in a

temperate deciduous forest.

You read data records of a field ecologist who reports the following varieties of species.... you conclude that the field ecologist is located in a...

temperate grassland

You read the data records of a field ecologist who reports the following varieties of species: beetles, spiders, grasshoppers, many insects and invertebrates, earthworms, prairie dogs, rabbits, squirrels, meadowlarks, coyotes, foxes, and hawks. You conclude that the field ecologist is located in a....

temperate grassland

You read the data records of a field ecologist who reports the following varieties of species: beetles, spiders, grasshoppers, many insects and invertebrates, earthworms, prairie dogs, rabbits, squirrels, meadowlarks, coyotes, foxes, hawks. You conclude that the field ecologist is located in a...

temperate grassland

You read the data records of a field ecologist who reports the following varieties of species: beetles, grasshoppers, many insects and invertebrates, earthworms, prairie dogs, rabbits, squirrels, meadowlarks, foxes, hawks. You conclude that the field ecologist is located in a

temperate grassland.

The two most important factors in climate are what?

temperature and precipitation

The two most important factors in climate are...

temperature and precipitation

What are the two most important factors in determining the climate of and area?

temperature and precipitation

The two most important factors in climate are

temperature and precipitation.

if you are walking through a forest dense with oak and hickory trees and thick with leaf litter underfoot, you would probably assume you are in

temperature deciduous forest

you read the data records of a field ecologist who reports the following varieties of species; beetles spiders grasshoppers many insects and invertebrates earthworm prairie dogs rabbits squirrels meadowlarks coyotes foxes and hawks. you conclude that the field ecologist is located in a

temperature grass land

Climate is influenced by...

the amount of incoming solar radiation, the earth's rotation, the tilt of the earth's axis, and the moon's gravity (all of the above)

evidence of evolution come from all of the following except

the bible

The introduction of gasoline powered pumps to tap underground water supplies in the desert has served as a positive feedback loop to all of the following except...

the kangaroo rat population

permafrost

the main reason tundras form many shallow lakes and ponds, as well as keeping methane gas locked in the soil

greenhouse effect

the natural phenomena that keeps te earth's temperature tolerably warm and habitable

you are going on a scientific expedition from the equator to the north pole, as you leave the coniferous forest behind, you anticipate next exploring

the role of lichens and mosses in boggy ecosystem

You are going on a scientific expedition from the equator to the North Pole. As you leave the coniferous forest behind, you anticipate next exploring...

the role of lichens and mosses in boggy ecosystems

You are going on a scientific expedition from the equator to the North Pole. As you leave the coniferous forest behind, you anticipate next exploring

the role of lichens and mosses in boggy ecosystems.

The term greenhouse effect means what?

the trapping of heat energy in the troposphere by certain gaseous molecules

Nights in deserts are cold because...

there is a poor insulating effect form the desert's dry air

Nights in deserts are cold because

there is a poor insulating effect from teh desert's dry air.

nights in the desert are cold because

there is poor insulating effect from the deserts dry air

Nights in deserts are cold because of what?

there is poor insulating efffect from the desert's dry air

most of the nutrients in the tropical rain forest are found in the

thick atmosphere

A mature ____ has the greatest species diversity of all terrestrial biomes

tropical rain forest

A mature ____ has the greatest species diversity of all terrestrial biomes.

tropical rain forest

A mature____ has the greatest species diversity of all terrestrial biomes.

tropical rain forest

a mature.............. has the greatest species diversity of all terrestrial biomes

tropical rain forest

A mature _____ has the greatest species diversity of all terrestrial biomes.

tropical rain forest.

The biome most likely to be found on the top of a very tall tropical mountain is the...

tundra

the biome most likely to be found on the top of a very tall tropical mountain is the

tundra

The biome most likely to be found on the top of a very tall tropical mountain is the

tundra.

what ocean zone contains the majority of all marine species?

upper left

cool nutrient-rich water from the bottom to the surface..

upwelling

Estuaries exhibit what?

variable temperature and salinity

What ocean zone has the most organisms which are blind are have poor eyesight?

very bottom

what ocean zone is phytoplankton found?

very top

What mode of pollination would you least expect you find in a tropical rain forest?

wind

there are fewer species in the coniferous forest than in the deciduous forest because few species can survive the

winters when the soil is moisture is frozen

There are fewer species in the coniferous forests than in the deciduous forests because few species can survive the...

winters, when soil moisture is frozen

There are fewer species in the coniferous forests than in the deciduous forests because so few species can survive the

winters, when soil moisture is frozen.