Section 14-5 Ecological Succession Post-Assessment

A sequence of biotic changes that regenerate or create an ecological community is known as

• migration

• factors

• succession

• erosion

The development of an ecosystem in an area that has been covered by lava begins with the

• breakdown of rock by pioneer species.

• migration of animals.

• growth of trees and shrubs.

• appearance of soil.

Lichens and mosses that first live in uninhabited areas are examples of

• non-native species.

• pioneer species.

• growth of trees and shrubs.

• secondary species

Secondary succession is most likely to occur

• after a forest fire.

• with pioneer species.

• if a glacier shrinks.

• on a new volcanic island.

Which of the following statements about primary succession is true?

• It begins with a climax community

• Small mammals are first to inhabit the area.

• It only occurs after glaciers retreat.

• It begins with bare rock.