Primary Succession Secondary Succession

Which experiences the least change over time?

• Pioneer Species

• Primary Succession

• Aquatic Succession

• Climax Community

What is a common characteristic among pioneer species?

• roots that break apart rocks

• long thick roots

• exposed surface roots

• soak up water quickly

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.

What term best relates to equilibrium?

• pioneer species

• primary succession

• secondary succession

• climax community

Tags

NGSS.MS-LS2-3

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

• trees

• shrubs

• mosses

• grasses

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-LS2-3

Which would most likely result in primary succession?

• old forest growing

• undisturbed prairie

• pollution kills mountain lake species

• a Newly formed volcanic island

Which progression best explains secondary succession?

• lichens>grass>shrubs>small trees> big trees

• mosses>creates soil>grasses>small trees> big trees

• Volcano destroys ecosystem>grasses>shrubs>small trees>big trees

• Volcano forms new island> lichens>grasses>shrubs>small trees>big trees

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which would result in primary succession?

• volcano destroying habitat leaving only soil and ash

• Tornado destroying a crop leaving very little soil

• Glacier retreating exposing bare rock

• limiting factors

If you visited a forest in 2015 and there was only small plants there when revisited in 2019, what likely happened?

• passing of a glacier

• preservation of a habitat

• occurrence of a forest fire

• development of a parking lot

Tags

NGSS.MS-LS2-4