Biodiversity and Succession

Front

What begins primary succession?

Back

Rock

Front

What does biodiversity refer to?

Back

The number of different species in a given area.

Front

What is the main function of pioneer species?

Back

To create soil and add nutrients to the environment.

Front

What is the order of succession from figure C to D to A to B?

Back

C, D, A, B

Front

What type of succession occurs from figure A to figure B?

Back

Secondary succession.

Front

Define primary succession.

Back

The process of ecological change that begins in a lifeless area, starting with bare rock.

Front

What is secondary succession?

Back

The process of ecological change that occurs in an area where a disturbance has destroyed an existing ecosystem but left the soil intact.

Front

Give an example of a pioneer species.

Back

Lichens and mosses.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic matter, returning nutrients to the soil.

Front

How does biodiversity contribute to ecosystem resilience?

Back

Higher biodiversity increases ecosystem stability and resilience to changes.