Ecosystems Final Review (4th)

How does replacing plants slow down erosion?

• Plant leaves shade the soil.

• Plant roots hold the soil in place.

• Plant seeds make soil more stable.

• Plant stems absorb water from the soil.

Which behavior would best help the environment?

• driving to work alone

• using refillable water bottles

• watering the lawn once a day

• leaving all the lights on in the house

Tags

NGSS.MS-ESS3-3

Jalissa asks how recycling helps the environment. What might the teacher say in response to the question?

• Recycling provides support to plants as they grow.

• Recycling increases the amount of waste humans produce.

• Recycling keep items out of the trash by giving them a new use.

• Recycling allows humans to consume more things by making them more available.

Tags

NGSS.MS-ESS3-3

What do geese do when the weather gets colder?

• They hibernate in the closest cave.

• They migrate to a warmer location.

• They eat as much food as they can.

• They grow thicker feathers to keep warm.

The water pollution is increasing in a lake. How could this affect the plants and animals living in the lake?

• It might provide more food for the plants and animals.

• It might cause a decrease in plants and animals.

• It may help the animals and harm the plants.

• It may help the plants and harm the animals.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which adaptation helps an Arctic hare survive?

• shedding fur

• turning white

• having small feet

• growing long ears

Tags

NGSS.MS-LS4-4

As seasons change from summer to fall, which survival instinct is most likely to occur in the forest?

• Squirrels eat less food.

• Birds prepare to fly north.

• Snakes prepare to hibernate.

• Bats hunt for food during the day.

Which would most likely happen to a gray tree frog in a green wetland area?

• It would grow larger than it would in a forest.

• It would find fewer insects than in a forest.

• It would be easier for predators to see.

• It would be harder for predators to see.

Which would most help an animal survive in areas that are extremely cold?

• hunting at night

• traveling in packs

• using camouflage

• growing a thick fur coat

Tags

NGSS.MS-LS4-4

How are some animals able to hunt for food at night?

• They have developed a skill for hiding.

• They have developed a skill for running.

• They have developed a poor sense of smell.

• They have developed the ability to see well in the dark.