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.
