Unit 4, Lesson 1

Front

What is a population?

Back

A group of the same kind of animals or plants living in one area.

Front

What surrounds our planet as a body of air?

Back

Atmosphere.

Front

What do crustaceans eat in the food web?

Back

Algae.

Front

What happens to the consumer population when the producer population increases?

Back

The consumer population will increase.

Front

What happens to populations if there is more food than usual in an ecosystem?

Back

Populations will increase.

Front

What is an ecosystem?

Back

A community of living organisms and their environment.

Front

What are producers in an ecosystem?

Back

Organisms that make their own food, usually through photosynthesis.

Front

What are consumers in an ecosystem?

Back

Organisms that eat other organisms for energy.

Front

What is a food web?

Back

A system of interrelated food chains in an ecosystem.

Front

What is competition in an ecosystem?

Back

When organisms vie for the same resources, such as food or space.