5.09 Test Study Guide: Ecology and the Environment

Front

What biome type occupies the largest area on earth?

Back

Marine biome.

Front

What happens if populations of producers in an ecosystem become unstable?

Back

The energy flow into the food web would decrease or increase along with changing populations of producers.

Front

Which trophic level has the most energy to pass on to the next?

Back

Alga.

Front

What consequence occurred when sea otters were overhunted along the Pacific Coast?

Back

Many fish lost their habitats as kelp was destroyed by sea urchins.

Front

What does the following description represent: Snakes eat bats. Hawks also eat bats. Bats and spiders eat moths. Moths eat nectar from plants?

Back

A food web.

Front

Define 'ecosystem'.

Back

A community of living organisms interacting with their environment.

Front

What is a food chain?

Back

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

Front

What is a food web?

Back

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

Front

What role do producers play in an ecosystem?

Back

They convert solar energy into chemical energy through photosynthesis.

Front

What is the primary energy source for primary consumers?

Back

Producers.