Ecology: Food Pyramids, Chains, Webs

Front

An animal that eats only plants is an...

Back

herbivore

Front

What % of energy is transferred up trophic levels?

Back

10%

Front

A heterotroph is also a...

Back

consumer

Front

A scavenger is a...

Back

carnivore

Front

Which of the following is a producer?

Back

Maple tree

Front

What is a food chain?

Back

A linear sequence of organisms where each is eaten by the next one in the chain.

Front

What is a food web?

Back

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

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic matter, returning nutrients to the soil.

Front

Define trophic level.

Back

Each step in a food chain or food web, representing a different level of energy transfer.

Front

What is a primary consumer?

Back

An organism that eats producers; typically herbivores.