Food Web Practice

Front

Arrows in a food web show ___________.

Back

energy flow

Front

What would happen to the bird if the green fish died out?

Back

the bird population would die out

Front

What is the first source of energy in this pyramid?

Back

algae, plankton and seagrass

Front

Select the decomposer.

Back

mushrooms

Front

What percentage of energy is transferred from one trophic level to the next?

Back

10%

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among organisms in an ecosystem.

Front

What role do producers play in a food web?

Back

Producers, like plants, create energy through photosynthesis and are the base of the food web.

Front

Define a consumer in an ecosystem.

Back

Consumers are organisms that eat other organisms for energy.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organisms, returning nutrients to the soil.