Unit 4, Lesson 1

Front

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

Back

Populations will increase.

Front

What is the primary source of energy for river animals in a food web?

Back

Sunlight.

Front

What is the body of air surrounding our planet called?

Back

Atmosphere.

Front

What term describes a group of the same species living in a specific area?

Back

Population.

Front

Which two organisms in a food web are competing for food?

Back

Shrew and Mouse.

Front

What do we call the living parts of an ecosystem?

Back

Biotic factors.

Front

What do we call the non-living parts of an ecosystem?

Back

Abiotic factors.

Front

What is a food web?

Back

A system of interconnected food chains in an ecosystem.

Front

What role do producers play in a food web?

Back

They create energy through photosynthesis.

Front

What is the term for animals that eat plants?

Back

Herbivores.