Explore Energy Flow in Food Webs

Front

Consider the following food chain: Kelp (producer) → sea urchin → sea otter → orca whale. If placed in an energy pyramid, which organism should be placed at the top of the pyramid?

Back

orca whale

Front

Which of the following organisms is an omnivore?

Back

Bear (eats berries, fish, bird eggs, nuts, small mammals)

Front

Based on this food web, which organisms are direct sources of energy for secondary consumers?

Back

rabbits, mice, and grasshoppers

Front

A diagram that shows the feeding relationships among many species in an ecosystem is a

Back

food web

Front

An organism that gets food by breaking down dead organisms is called a

Back

decomposer

Front

An organism that can make food, often through photosynthesis, is called a

Back

producer

Front

Which organisms are decomposers?

Back

Bacteria and fungi

Front

A tertiary consumer obtains energy by

Back

consuming secondary consumers

Front

An herbivore

Back

Eats only producers.

Front

What role do primary consumers play in a food web?

Back

They transfer energy from producers to higher trophic levels by eating plants.