Environmental Science Final Exam Review

Front

What is the term for each step in the transfer of energy and matter within a biological community?

Back

Trophic level

Front

What type of succession occurs in an area with NO SOIL?

Back

Primary succession

Front

What type of pollution is harder to control because it can't be traced back to a single source?

Back

Nonpoint-source pollution

Front

How does urban sprawl increase carbon dioxide emissions?

Back

By increasing the need to drive.

Front

Which human activity contributes the most carbon dioxide to the atmosphere?

Back

Burning fossil fuels.

Front

What is ecological succession?

Back

The process of change in the species structure of an ecological community over time.

Front

Define primary succession.

Back

The series of community changes which occur on an entirely new habitat which has never been colonized before.

Front

Define secondary succession.

Back

The series of community changes which take place on a previously colonized but disturbed habitat.

Front

What is a food web?

Back

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

Front

What is a food pyramid?

Back

A graphical representation of the trophic levels in an ecosystem, showing the energy flow.