Ecosystem Changes

All of the following might happen to the rest of the food chain if there was a decrease in the shrew population EXCEPT -

• The grasshopper population will increase.

• The owl population will decrease.

• The grass population will increase.

• The grass population will decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

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

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

• global warming

• popularity

• habitat

• succession

Tags

NGSS.MS-LS2-4

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

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

NGSS.MS-LS2-4

When ecosystems are destroyed, they never recover.

• True

• False

Tags

NGSS.MS-LS2-4

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 would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase

• The number of plants would increase

• all organisms would adapt

• All living organisms would eventually die

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4