Food Chains & Food Webs

Front

This picture represents: a population, a food chain, a food web, an ecosystem

Back

a food chain

Front

An organism that makes its own food is called a(n)

Back

autotroph

Front

Which organisms are always found in the first trophic level of a food chain?
Options: Consumers, Heterotrophs, Producers, Detrivores

Back

Producers

Front

True or False? In an ecosystem, energy is transferred between species when one species eats another species.

Back

True

Front

Organisms in the trophic levels above the autotrophs are called

Back

Heterotrophs

Front

In a healthy ecosystem, which trophic level should have the most energy?

Back

Producers

Front

If the mouse population becomes sick and decreases, which statement about the food web will be true?

Back

The grass population will increase.

Front

True or False? There cannot be more than one keystone species in an ecosystem.

Back

False

Front

In a food web, the process of __________ returns any remaining energy to the soil.

Back

decomposition

Front

How much energy is transferred from one trophic level to the next?

Back

10% of energy is transferred to the next level.