Ecosystems Unit Review 1

In an area where most of the food is buried beneath the ground, which adaptation would give a bird the best chance at survival?

• flying faster

• having a longer bill

• increased running speed

• having brighter colored feathers

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NGSS.MS-LS2-4

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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.

What is the original source of energy for all ecosystems?

• water

• producers

• the sun

• consumers

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NGSS.MS-LS1-6

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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 map shows the Monarch butterflies’ migration from polar regions toward the equator. Why do butterflies migrate in a southerly direction?

• to avoid cold

• to find water

• to change colors

• to escape predators

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NGSS.MS-ESS2-5

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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.

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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

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NGSS.MS-ESS3-3

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.

In an area where prey have grown thicker, tougher skin, which animal adaptation would be most beneficial for the predators?

• rough scales on feet

• better vision at night

• sharper, stronger teeth

• increased running speed

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NGSS.MS-LS4-4

How could a longer and drier summer with higher temperatures most affect animals?

• by limiting organisms’ ability to find water

• by producing floods that trigger landslides

• by increasing the number of daylight hours

• by extending the growing season for food resources

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NGSS.MS-LS2-1

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