Ecosystem Changes

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

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

• trees

• mosses

• flowers

• shrubs

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

When ecosystems are destroyed, they never recover.

• True

• False

Tags

NGSS.MS-LS2-4

Select all that apply

Rapid changes include...

• fire

• floods

• volcanic eruptions

• plants dying

Tags

NGSS.MS-ESS3-2

Humans can cause rapid changes.

• True

• False

Tags

NGSS.MS-ESS3-4

What is a negative of the picture of the manmade changes compared to the natural habitat image?

• The animals will get more food than before

• It destroys the animals' habitat.

• The animals are safe and have found homes more easily.

• There is less pollution than before.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What is a positive in the after image compared to the before image?

• There are more animals because of an increase of plants.

• There is less animals because humans adopted them.

• There water supply evaporated because of heat over time.

• The water supply went up.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Is the after image a mostly positive image or a mostly negative image?

• Mostly negative image

• Mostly positive image

• Mostly trashy image

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

In a pond ecosystem, what would happen to frogs if the insect population decreased?

• There would be more frogs in the pond

• There would be more insects in the pond

• There would be less frogs in the pond

• More fish would move to the pond

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4