Ecological Succession Review

What is ecological succession?

• gradual change in living communities that follows a disturbance

• rapid change in a nonliving community

• a change that occurs in a community overnight

• how an ecosystem is changed into livable land for humans

Primary Succession starts with

• a barren area, no soil

• land that was previously inhabited

• already has soil

• a clear cut piece of land

Describe the rate of change during Primary succession.

• over long period of time

• over short period of time

• over varying periods of time

• over exactly 30 years

Tags

NGSS.MS-LS2-4

All of the following are pioneer species EXCEPT

• lichen

• moss

• dune grass

• Joshua Tree

All of the following are dominant plants you would find in a climax community EXCEPT

• Joshua tree

• Oak treee

• Pine tree

• lichen

Tags

NGSS.MS-LS2-1

Pioneer organisms are the first to grow in primary succession because they

• can tolerate extreme conditions

• cannot tolerate extreme conditions

• are able to grow to very large sizes

• need soil to grow in

Tags

NGSS.MS-LS2-1

Name this plant.

• lichen which is algae and fungus growing together

• fungus

• algae

• grass

All of the following are steps in soil formation EXCEPT

• pioneer organisms break apart rock

• Pioneer organisms die and decompose

• the decomposed pioneer organisms hold water

• Pioneer organisms grow deep roots to hold the soil

Tags

NGSS.MS-LS2-3

All of the following disturbances will lead to secondary succession EXCEPT

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Tags

NGSS.HS-LS2-6

All of the following will result in primary succession EXCEPT

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Tags

NGSS.MS-ESS2-2