Food Webs

Front

What do the arrows in a food chain or web represent?

Back

They show what direction the energy is flowing between organisms.

Front

Where does the energy start in a food chain?

Back

Sun

Front

What is a trophic level?

Back

Each level represented within a food chain or web.

Front

How much energy in each level of the energy pyramid gets lost as heat or used by the organism for survival?

Back

90%.

Front

Which organisms have the most energy available in an energy pyramid?

Back

Producers.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What are producers in a food web?

Back

Organisms that produce their own food, typically through photosynthesis, such as plants.

Front

What are consumers in a food web?

Back

Organisms that rely on other organisms for energy and nutrients.

Front

What is a primary consumer?

Back

An organism that eats producers; typically herbivores.

Front

What is a secondary consumer?

Back

An organism that eats primary consumers; typically carnivores.