2nd Grade Science Unit 7 Review

1. A raccoon lives near a park. Which part of the environment helps the raccoon stay protected?

• Open field

• Tall trees

• Sidewalk

Penguins live in cold regions. What do penguins depend on in their environment to survive?

Choose TWO

• Ice

• Food

• Sand

• Freshwater ponds

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Prairie dogs dig tunnels underground. Why are these tunnels important for prairie dogs?

• They give prairie dogs a place to hide.

• They help prairie dogs fly.

• They give prairie dogs sunlight.

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A burr plant makes seeds with tiny hooks that stick to fur. How do these seeds most likely move to a new place?

• By sticking to animals

• By melting in the sun

• By rolling downhill in the wind

A cactus plant has bright flowers that open during the day. Which animal helps move pollen from one cactus flower to another?

• Bat

• Bee

• Earthworm

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Look at this food chain: Sun → plant → mouse → owl Which organism is a consumer?

• Sun

• Plant

• Mouse

A butterfly lands on a flower and gets pollen on its body. What is most likely to happen next?

• The butterfly will eat all the pollen.

• The pollen will fall off onto another flower.

• The pollen will turn into water.

Look at this food chain: Grass → rabbit → fox Which organism is the producer?

• Rabbit

• Fox

• Grass

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Why do beavers depend on rivers?

• To build their homes

• To find tall mountains

• To stay warm in the desert

Look at this group of organisms: Tree, squirrel, hawk Which organism is a producer?

• Squirrel

• Hawk

• Tree

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