Food Webs + Energy Pyramids

Front

What do the arrows in a food web represent?

Back

Energy flow

Front

In the food web shown, the snail would be considered...

Back

Primary consumer

Front

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

Back

100 Kcal

Front

An organism that lives by breaking apart dead organic matter into simpler parts is...

Back

Decomposer

Front

Which of these is a producer?

Back

Grass

Front

What is a food web?

Back

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

Front

What is a trophic level?

Back

A position in a food chain or food web, defined by how many energy transfers away from the original source of energy.

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; can be carnivores or omnivores.

Front

What is a tertiary consumer?

Back

An organism that eats secondary consumers; usually top predators.