Succession

Which of the following best describes primary succession?

• Volcano wipes out ecosystem that gradually grows back from ash covered soil

• Volcano creates a new island of rock that must break down to form an ecosystem

• Forest fire burns down forest that must bounce back over time

• Tornado destroys a crop that must slowly grow back over time.

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If farmers use a controlled burn to prevent forest fires, what would most likely be the first plants to return?

• trees

• shrubs

• mosses

• grasses

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Breaking News! A new island has formed off of Hawaii! What must occur for it to become an ecosystem?

• Secondary Succession

• Aquatic succession

• Primary Succession

• Ferns must grow

Tags

NGSS.MS-LS2-4

How do pioneer species compare in primary and secondary succession?

• primary starts with grass and weeds, secondary starts with mosses

• primary starts with forest fire, secondary starts with volcano

• primary starts with a volcano, secondary starts with a forest fire

• Lichens and moss in primary, and grasses/ ferns in secondary

Tags

NGSS.MS-LS2-4

Primary succession occurs in areas with:

• very little soil

• lots of soil

• no soil

• soil that has been disturbed

Tags

NGSS.MS-LS2-3

What best describes the term succession?

• rapid changes that create an ecosystem overnight

• gradual changes over time to fully create or restore and ecosystem

• forest with the tallest trees

• the rate species produce offspring

The end result of ecological succession is usually a(n)

• A.land biome.

• B.aquatic biome.

• C.unstable community.

• D.climax community.

Which of the following is not a possible cause of ecological succession?

• A. fire

• B. flood

• C. earthquake

• D. change of season

. Which of the following is an example of primary succession?

• A.lichens growing on rocks following a volcanic eruption

• B.grasses growing after a forest fire

• C.oak trees replacing pine trees in a forest

• D. non-native species introduced into a climax community

Which of these organisms would you most expect to find on a small island that formed as a result of a volcanic two years prior?

• A.climbing vines

• B.hardwood tree

• C.monkey

• D.lichen