Ecology Review

Front

Efficiency of energy transfer from a lower trophic level to the next highest level

Back

10%

Front

Which animal is the apex predator? Options: hawk, lizard, snake, grass

Back

hawk

Front

Where does a food chain START? Options: a producer, a primary consumer, a secondary consumer, a tertiary consumer

Back

a producer

Front

Who eats a producer?

Back

A primary consumer

Front

In energy pyramids, which trophic level contains the largest amounts of useable energy?

Back

Producers

Front

A species that maintain biodiversity by keeping prey populations controlled are called...

Back

Keystone Species

Front

Based on the graph shown, how can you tell sea otters are a keystone species?

Back

As sea otter population increases, biodiversity increases.

Front

What effect does a keystone species have on biodiversity?

Back

Raises Biodiversity

Front

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival? Options: 80%, 90%, 10%, 20%

Back

90%

Front

An organism that cannot make its own food

Back

heterotroph