Environmental Science Final Review

Front

What is the primary source of energy for driving biogeochemical cycles on Earth?

Back

The Sun

Front

What is a pioneer species?

Back

The first species to arrive in ecological succession.

Front

What type of ecosystem service provides non-material benefits to humans?

Back

Cultural services.

Front

What is the correct order of ecological hierarchy?

Back

Organism → Population → Community → Ecosystem → Biome

Front

What type of selection occurs when only large-headed cockroaches survive due to predation by lizards?

Back

Directional selection.

Front

Define biogeochemical cycles.

Back

Natural processes that recycle nutrients in various chemical forms from the environment to organisms and back to the environment.

Front

What is ecological succession?

Back

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

Front

What are ecosystem services?

Back

Benefits provided by ecosystems to humans, including provisioning, regulating, cultural, and supporting services.

Front

What is the difference between primary and secondary succession?

Back

Primary succession occurs in lifeless areas, while secondary succession occurs in areas where a disturbance has destroyed an existing community.

Front

What is a climax community?

Back

A stable, mature community that undergoes little or no change in species over time.