Chapter 6 Ecology Study Guide

A species’ role in its ecosystem is called its

• biomass.

• trophic level.

• niche.

• habitat.

Which statement about producers is true?

• All producers use energy to make food.

• All producers make food by photosynthesis.

• All producers are plants.

• All producers need sunlight.

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A necessary link between autotrophs and carnivores is filled by

• detritivores.

• herbivores.

• scavengers.

• decomposers.

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A given food web includes hawks, grasses, foxes, and rabbits. Which organisms are primary consumers in this food web?

• hawks

• rabbits

• foxes

• grasses

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Higher trophic levels of a food web generally have

• more organisms.

• larger organisms.

• more energy.

• greater biomass.

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Reservoirs in the water cycle include

• the atmosphere.

• living things.

• the ocean.

• all of the above.

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Human actions that release carbon into the atmosphere include

• breathing.

• making cement.

• burning fossil fuels.

• all of the above.

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A rain shadow occurs on the

• windward side of a mountain range.

• leeward side of a mountain range.

• north side of a lake or ocean.

• south side of an intertidal zone.

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Biodiversity is usually greater

• in drier climates.

• in colder climates.

• at the poles.

• where it is humid.

Which type of biome occurs at high latitudes and high altitudes?

• chaparral

• taiga

• tundra

• savanna