Changes Within Ecosystems

What does it mean to be stable?

• To make a change

• Steady, or unchangeable

• Not moveable

What are some characteristics of a healthy environment?

• adequate shelter and nesting sites

• a variety of species

• drought

• clean air, water, and nutrients

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-2

A series of changes in a community.

• stable

• competition

• ecosystem

• succession

One threat that could harm a healthy ecosystem.

• balance of decomposers, producers, and consumers

• over hunting, over fishing, and over harvesting.

• adequate water and food supply

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Organisms can only survive in ecosystems that......

• are healthy.

• meet their needs.

• rain a lot.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

___________ occurs when organisms in an ecosystems need the same resources

• Decomposers

• Changes

• Competition