20 &21 questions

A paper mill clears an area of deciduous and coniferous trees. A small pond forms on the newly cleared land as the land undergoes succession. What will be the most likely climax community on the island?

A deciduous forest

In a temperate deciduous forest biome, which of the following MOST likely represents a climax community?

A forest with oak and maple trees

What would be the likely result if a forest ecosystem receives less than average rainfall?

A smaller deer population

Human activities can affect biodiversity, but so can natural events which of the following is an example of a natural event that can decrease biodiversity

A tornado knocks down trees in a forest

Which biome is characterized by very low temperatures little precipitation and frozen subsoil

A tundra

Which event could cause primary succession to begin?

A volcanic eruption

Run-off that contains chemical fertilizers can cause which if the following?

Algal biome

A lake or pond receives runoff containing a large amount of chemical fertilizer. Which of the following may occur most immediately after runoff.

Algal bloom

A child buries an untreated wooden box. Inside the box is an aluminum soda can, a plastic army man figure, his favorite Cotten t-shirt, and his dead hamster. Thirty years later, which of the following is probably true about these buried items?

All of the items except the aluminum soda can and the plastic army man figure have degraded back into the soil

The chemistry of aquatic biomes is MOSTLY determined by which factoes

Amount of salts and oxygen dissolved in the water

How could a predator increase the population size of another species in its habitats

By killing the competitors of other species

Which of the following causes a decrease in the ozone layers?

CFCs

Which of the following contributes to global warming?

Carbon dioxide

Which of the following terms represents the largest population that an ecosystem can support?

Carrying capacity

What type of producers are found in aphotic zones

Chemosynthetic autotrophs

Which of these is a non-renewable resource?

Coal

Which of the following is an example of how humans can increase biodiversity?

Conserving natural habitats

What 3 factors determine aquatic biome

Dissolved chemicals, depth, and temperature

Which of the following is NOT an example of conservation

Draining the Everglades to use for residential housing

A community can undergo a series of predictable changers over time. What are these changes called

Ecological succession

Which adaptation would be most likely for a medium-sized herbivore that lives in a savanna

Forms large herds

Which of the following is NOT a characteristic of coral reefs

Found in freshwater

Which of the following is NOT used to classify aquatic biomes

Global position of water

Which of the following animals would you NOT expect to find in a prairie grassland located in the Midwestern United States

Grizzly bear

Which of the following currently has the most impact on environmental change on estht

Human activites

Which adaptation would you expect to find in a predator that hunts large herbivores in a grassland biome

Hunting in packs

Which of the following is NOT a consequence of clearing rainforests

Increase in global atmospheric oxygen

Which of the following is Most often cited for global warming

Increased levels of carbon dioxide

A lake community notices a decrease in water clarity. Which of the following is the MOST likely cause?

Increased sedimentation due to additional home construction around the lake

Which of the following is NOT a goal of conservation

Introducing non-native species into new environments

Why was DDT found to be hazardous over longer periods of time?

It built up in consumers instead of decomposing

A forest fire sweeps through a grassland community. Most vegetations is burned in the fire, and the animals that live in the grassland are either driven out or killed in the fire. What will happen to the land affected by the fire.

It will undergo secondary succession.

Which of the followind does NOT describe a tundra biome?

Large diversity of plants

Which animal adaptation would you expect to find in a desert bioke

Large ears

On a newly formed volcanic island, which of the following will be the MOST likely pioneer species?

Lichens

Which of the following animals might be found in both a grassland biome and a temperate forest biome

Mice

A prairie grassland had plants with which of the following common adaptations

Narrow leaves and deep roots

Which of the following is NOT a characteristic of organisms living in intertidal zones

Need a continual supply of freshwater

Why are trees not usually found in a grassland biome

Not enough precipitation fslls

Many garden plants need consistent moisture, proper soil nutrients, direct sunlight, and the presence of pollinators, such as bees, in order to successful grow and produce. Which of the following is a biotic factor that affects plant growth?

Number of bees to pollinate

Which of the following is an example of a destiny dependent factor that would impact a population of deer

Number of edible leaves

Which of the following would probably NOT be found in an estuary

Oak tree

Which element makes up ozone?

Oxygen

A volcano under the ocean erupts and forms a small island. Which of the following will occur on the island?

Primary succession

If nitrogen-fixing bacteria populations in the soil and on the roots of plants decreased, which part of the ecosystem would be affected first?

Producers

Which of the following is an example of how human activities have increased biodiversity

Protecting natural habitats

Which of the following animals would LEAST likely live in the tundra?

Rattlesnake

How are primary and secondary succession different?

Secondary succession starts on soil but primary succession starts on newly exposed surfaces

Which plant adaptation would you expect to find in both the desert and the tundra biomes

Small leaves

Ponds and lakes represent what type of biome

Standing-water

Which of the following is an example of how human efforts have decreased biodiversity

Strip mining to obtain valuable natural resources from underneath the earths surface

An area of northwestern Russia contains forests of pine trees. The area has severe winters and a short growing season. It receives around 50 cm of precipitation per year. This area of Russia would be in which biome?

Taiga

Which biome is described by cool summers, cold winters, plentiful precipitation and a variety of plants

Taiga

Cold winter temperatures cause plants to shed their leaves in which biome

Temperate forest

Organisms that live in the flowing water would Not have which of these adaptations

Tentacles

PCB, a toxic chemical is dumped into a lake. The chemical accumulates in the fat of animals exposed to it. Which of the following organisms will be most severely affected?

Tertiary consumers

Minnows eat algae and other small organisms. Which of the following is an abiotic factor that might limit the number of minnows that can survive in a pond?

The amount of dissolved oxygen in the pond

What is the most likely outcome if a population grows larger than the carrying capacity

The death rate will increase

If a new species is introduced into an ecosystem and it has no predators, which of the following is MOST likely to occur?

The new species will overpopulate.

Which of these would be the most probable effect of increased use of CFCs?

The ozone holes will grow

If the frog population decreased, why might the fish population also decrease

The water snakes would eat more fish

Which animal adaptation would you expect to find in a tundra biome

Thick fur

Prairie wild flowers are usually very colorful. What is the most likely purpose if this adaptation

To attract pollinating insects

Prairie dogs burrow underground. What is the most likely purpose of this adaptive behavior

To hide from predators

In which biome would you most expect to find carnivorous plants?

Tropical rain forest

Singapore is an island country in Asia that receives an average of 230 cm of rain per year, and it has a fairly constant year round high temperature of 31C Singapore is in which type of biome

Tropical rainforest

Which terrestrial biome had the most biodiversity

Tropical rainforest

Which 2 biomes have the LEAST amount of precipitation?

Tundra and desert

A construction company buries its trash in an area outside a construction site. Which of the following is MOST likely to decompose quickly

Wood