Ecosystem Changes

What is succession?

• An environment that meets the needs of an organism

• Eats other living things for energy

• Process that gradually changes an existing ecosystem into another ecosystem.

• Feeds on the waste of plants and animals or their remains after they die

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

True or False

An ecosystem usually has stability, or balance.

• True

• False

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What can change an area that has little life into one that has many living thing?

• global warming

• popularity

• habitat

• succession

Select all that apply.

Ecosystems can change

• quickly

• down

• slowly

• up

True or False

Humans can cause rapid changes.

• True

• False

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Which of these are most likely to be the first plants in a new ecosystem that has few nutrients?

• trees

• mosses

• flowers

• shrubs

True or False

Succession happens more slowly in areas that have living things nearby.

• True

• False

True or False

When ecosystems are destroyed, they never recover.

• True

• False

Select all that apply

Rapid changes include...

• fire

• floods

• volcanic eruptions

• plants dying

Tags

NGSS.MS-ESS3-2

How many acres were burned during the 1988 Yellowstone National Park fire?

• 800,000

• 800

• 50,000

• 10