Changes in Environments

Natural disasters can also change ecosystems. What can organisms do if a disaster happens?

• Fight, Survive, Struggle

• Move, Adapt, Die

• Stay, Sleep, Survive

• Eat, Sleep, Repeat

Tags

NGSS.MS-LS2-4

6. A squirrel makes a change to its environment when it —

• climbs a tree

• digs a hole to bury an acorn

• collects acorns

• jumps from tree to tree

Which of the following would have a negative impact on an ecosystem

• constructing highways

• planting trees

• recycling paper

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

How would building a highway affect an ecosystem?

• saltwater pollutes fresh water

• marine life is threatened

• it would not change the ecosystem

• animals cannot travel through their ecosystem the same

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

A forest's trees are being cut down. How are the organisms that live there being harmed?

• the organism population increases

• the organism habitat will increase

• the organism population will remain the same

• the organism habitat will decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What kind of environment change is this?

b

Short term

Long term

Tags

NGSS.MS-ESS3-2

NGSS.MS-LS2-4

What would cause a decrease in the rabbit population?

• An increase in grass growing

• A decrease in caterpillars

• An increase in owls

• An increase in fox

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of these populations is most likely to decrease if the number of grasshoppers decreases?

• plants

• frog

• praying mantis

• owl

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

An example of a natural change to the ecosystem is:

• highway built in the middle of the desert. 

• Lightening strikes and starts a fire in the forest. 

• rancher placing too many grazers in a small area leading to overgrazing.

Tags

NGSS.MS-LS2-4

How does a bird "change its environment" to meet its NEEDS?

• builds a nest

• flies around

• catches bugs

• looks for something to eat