Unit 4 Lesson 1 Flashcard Review

Front

What happens when one component is lost in an ecosystem?

Back

It can affect the other components. For example, if wolves disappear from the tundra, the caribou population would grow and eat more producers.

Front

What is an organism that feeds on dead plants and animals called?

Back

A scavenger.

Front

What do all food chains/webs begin with?

Back

The sun.

Front

What do all food chains/webs end with?

Back

Decomposers.

Front

Who is the primary consumer in the food chain: Grass -> Grasshopper -> Snake -> Hawk?

Back

Grasshopper.

Front

What is a decomposer?

Back

An organism that releases an enzyme that breaks down dead organisms and animal waste.

Front

What role do producers play in an ecosystem?

Back

They make their own food through photosynthesis and are the base of the food chain.

Front

What is a consumer?

Back

An organism that eats other organisms for energy.

Front

What is the difference between a primary consumer and a secondary consumer?

Back

A primary consumer eats producers, while a secondary consumer eats primary consumers.

Front

What is an example of a decomposer?

Back

Fungi and bacteria.