Unit 2 Review

Front

What is secondary succession?

Back

Secondary succession is the process of ecological recovery that occurs in an area where a disturbance has destroyed an existing community but left the soil intact.

Front

Which community is least vulnerable to environmental disturbances?

Back

Community 3 is least vulnerable to environmental disturbances.

Front

What does the aesthetic value of an ecosystem provide?

Back

The aesthetic value of an ecosystem provides a cultural service.

Front

What does low species evenness indicate?

Back

Low species evenness indicates that one or a few species dominate the community, leading to less diversity.

Front

What is biogeography?

Back

Biogeography is the study of the distribution of organisms and ecosystems in geographic space and through geological time.

Front

What is primary succession?

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, such as after a volcanic eruption.

Front

What is species richness?

Back

Species richness refers to the number of different species present in a given area.

Front

What is a supporting service in an ecosystem?

Back

Supporting services are those that maintain the conditions for life on Earth, such as nutrient cycling and soil formation.

Front

What is a regulating service in an ecosystem?

Back

Regulating services are benefits obtained from the regulation of ecosystem processes, such as climate regulation and flood control.

Front

What is an intrinsic value of an ecosystem?

Back

Intrinsic value refers to the inherent worth of an ecosystem, independent of its utility to humans.