Energy flow in ecosystems

Front

What happens to 90% of the energy as you move from one trophic level to the next?

Back

It is metabolized and 'lost' as heat energy and waste.

Front

What are organisms that make their own food called?

Back

Producers.

Front

What are organisms that obtain energy by feeding on other organisms called?

Back

Consumers.

Front

What is the bottom level of the energy pyramid composed of?

Back

Producers.

Front

In ecological organization, what do all the Bull Frogs and all the fish in a pond represent?

Back

A community.

Front

What is the term for the flow of energy through an ecosystem?

Back

Energy flow.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organisms and recycle nutrients.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass.

Front

What is a food web?

Back

A complex network of interconnected food chains.

Front

What is a trophic level?

Back

Each step in a food chain or food web.