7.10c

What type of ecological succession is shown in this picture?

• Primary

• Secondary

• Tertiary

• Quaternary

What type of ecological succession is shown in this picture?

• Primary

• Secondary

• Tertiary

• Quaternary

Tags

NGSS.MS-LS2-4

How do lichens contribute to primary succession?

• Lichens decompose organic matter from animals and plants.

• Lichens begin to break down rock to form soil.

• Lichens are nitrogen fixing bacteria.

• Lichens convert carbohydrates into fossil fuels.

Tags

NGSS.MS-LS2-3

What is TRUE about both primary and secondary ecological succession?

• They both start with bare rock.

• They both start with soil already present.

• They both occur over time.

• They both end with identical ecosystems.

Tags

NGSS.MS-LS2-4

List the steps of the scientific method

d

e

f

c

b

a

Analyze results

Ask a question

Conduct experiment

Draw conclusions

Communicate results

Form a hypothesis

What is the correct order from oldest (happened first) to youngest (happened last) in this example of pond succession?

• A → B → C → D

• D → C → B → A

• B → A → D → C

• C → D → A → B

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the process by which a new community forms where no community lived before?

• Resource harvesting

• Invasive (non-native) species move in

• Primary succession

• Competition

How can humans work to ensure our ecosystems remain healthy?

• Limit the number and variety of organisms living in ecosystems (reduce biodiversity).

• Introduce invasive species and pollute ecosystems.

• Convert ecosystems into agricultural areas for farming.

• Promote increased biodiversity through conservation of rainforests, limiting and preventing invasive species, and responsibly disposing of wastes.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What are examples of pioneer species during primary succession?

• Bushes and Shrubs

• Oak trees

• Mosses and Lichens

• A rose bush

Which of the following natural events can lead to primary succession?

• Floods and hurricanes

• Wildfires and controlled burns

• Tsunamis and tornadoes

• Glacier movement and volcanic eruptions

Tags

NGSS.MS-ESS2-2