Biomes Unify Review

The picture shows a tropical rain forest with a large tree canopy that lets through very little sunlight. Which of the following is a form of life that survives well in this environment?

• A. fungi that enjoy the dark forest floor and help to get rid of animal and plant waste

• B. mammals that need the dark, moist soil of the forest floor in which to lay their eggs

• C. plants that use moonlight to make food and energy for growth

• D. insects that require no water because rainfall is blocked by the canopy

The picture shows a desert environment. Why are there only a few types of plants that are able to survive in this environment?

• A. There are too many animals in deserts, and they eat all of the plants.

• B. There is not a lot of water in the desert, and plants need water to survive.

• C. There is not a lot of sunlight in a desert for the plants to make food.

• D. There is too much loose and sandy soil for plants to grow well.

The graph below shows the average yearly temperature and precipitation for five different locations on Earth. Which of the following is the most likely description of the climate at Location Z on the graph?

• A. cold and dry

• B. cold and wet

• C. warm and wet

• D. warm and dry

4. The pictures show a rain forest tree canopy on the left and a toucan that lives in this tree canopy on the right. Select three explanations for why this rain forest tree canopy best supports populations of toucans.

• It has tall plants to stay above ground predators.

• It provides many organisms as prey.

• It has trees with fruits for food.

• It provides many places to nest and reproduce.

5. Which of the following are the three primary ecosystems found on Earth?

• A. grassland, rainforest, and ocean

• B. freshwater, rainforest, and desert

• C. freshwater, terrestrial, and ocean

• D. grassland, terrestrial, and desert

6. Wetland ecosystems have soils that are covered by water for the majority of the plant-growing season. A wetland environment will most likely support populations of plants that survive in

• A. oxygen-poor soils as well as terrestrial animals.

• B. oxygen-rich soils as well as terrestrial animals.

• C. oxygen-poor soils as well as aquatic animals.

• D. oxygen-rich soils as well as aquatic animals.

7. Which aquatic biome is the most productive?

• A. wetlands

• B. ponds

• C. coral reefs

• D. rivers

8. What is the most important factor in determining which biome is found in a particular area?

• A. tidal activity

• B. soil type

• C. topography

• D. climate

9. Which biome has the richest soil?

• A. desert

• B. tropical rain forest

• C. grassland

• D. taiga

10. Where can saltwater or marine aquatic life zones NOT be found?

• A. estuaries

• B. coastal wetlands

• C. shorelines

• D. inland wetlands