Ecosystem Changes

If humans cleared a forest and built homes where the forest once was, we would expect which of the following?

• More development of soil

• Fewer tree-dwelling animals

• More frequent thunderstorms

• Increased insect population

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Is waste that harms the ecosystem.

• Natural disaster

• pollution

• Drought

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Too many nutrients in a body of water making the water un-healthy

• Dormancy

• Eutrophication

• Sea Level Rising

• Climate Change

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The pH of the ocean is turning acidic because of over use of pollution. Mostly carbon dioxide.

• Ocean Acidification

• Eutrophication

• Sea Level Rise

• Climate Change

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-6

Which organisms would be unable to escape and therefore perish from a fire?

• the deer

• the birds

• the tree

• the raccoon

Tags

NGSS.MS-LS2-4

After this prairie was flooded, all the animals left and the grasses died. Which organism will most likely return first?

• jackrabbit

• hawk

• coyote

• grasses

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which change would most likely cause all living things in an ecosystem to perish or move away?

• a flood on the plains

• fire in a forest

• a tornado on the plains

• a landslide down a mountain

Tags

NGSS.MS-ESS3-2

NGSS.MS-LS2-4

Which change would least likely cause plants in an ecosystem to perish?

• an earthquake on a grassland

• a hurricane along a beach

• a fire in a forest

• a flood in a valley

Tags

NGSS.MS-LS2-4

What would happen to this food chain if there was no grass?

• The grasshoppers would eat the mice, and the snakes would move away.

• The mice would have more grasshoppers to eat.

• The snake population would increase.

• The grasshopper population would decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The removal of which organism would cause all other populations to decrease?

• small ocean plants

• small ocean animals

• tuna

• shark

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4