Ecological Succession

Front

Primary succession occurs in an area that has:

Back

no soil

Front

___ are the first organisms to colonize an area and begin the process of ecological succession.

Back

pioneer species

Front

What is the main difference between primary and secondary ecological succession?

Back

Primary begins WITHOUT soil; Secondary begins WITH soil

Front

What is an example of a disturbance that could bring about secondary succession?

Back

Humans cut down many trees in a small region

Front

Correct order in primary succession?

Back

Rocks, Lichens & Mosses, Bushes & Shrubs, Trees

Front

During a forest fire most vegetation (plants) burn. Which ecological succession will take place after a forest fire?

Back

Secondary

Front

What is the order of succession shown in this figure? Options: A, B, C, D, B, A, D, C, C, D, A, B, D, A, B, C

Back

C, D, A, B

Front

As ecological succession progresses, a pioneer community gradually changes into a climax community. What typically happens during this process?

Back

The number of species increases

Front

Which types of organisms are present during the pioneer community stage of ecological succession? Options: Lichens and mosses, Grasses and shrubs, Small trees and wildflowers, Tall trees and thick brush.

Back

Lichens and mosses

Front

As an ecosystem transitions from a grassland to a forest, grasses will begin to:

Back

be replaced by other plants.