Changes Affect Organisms

What washes away soil and plants?

• a flood

• a drought

• a wildfire

• a tornado

A wildfire can eliminate food sources for animals.

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

If there were a wildfire and food sources were destroyed, animals would need...

• adapt to other sources of food

• nothing, they cannot survive a wildfire

• find a new environment to continue living

• cleanup the fire

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

When plants and animals cannot adapt to their environment, their population _____.

• survives

• gets smaller

• dies off

• gets bigger

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

An organism that is introduced into a new ecosystem either by accident or on purpose by humans is.....

• extinct

• invasive species

• adapting

• a predator

Tags

NGSS.MS-LS2-5

How is an invasive species of plant harmful to an environment?

• it grows slowly

• it will not harm the environment

• it blocks sunlight and takes nutrients that native plants need

• it adapts and becomes one with the native plants

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

An invasive species...

• does not harm its environment

• uses up resources

• creates pollution

• looks beautiful in its new environment

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-5

Humans protect animal by

• polluting bodies of water

• clearing out rainforests

• creating wildlife refuges

• contributing to wildfires

Tags

NGSS.MS-LS2-5

Humans endanger animals by

• building national parks

• passing laws to control hunting

• cleaning environments where animals live

• clearing out rainforests

Tags

NGSS.MS-ESS3-4

Fish could not travel from the lake to the river because of a dam that humans built. Humans built the fish ladders and elevators. What effect do the ladders and elevators have on the fish?

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5