Unit 4 Review

Which animal stays safe hiding in a snowy place?

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Look at the deer. 

How does the deer protect itself?

• thick fur

  
  

• big antlers

  
  

• strong legs

  
  

How do seeds help a plant?

• They make food.

  
  

• They make new plants.

  
  

• They keep the plant safe.

  
  

Look at the groundhog. It digs a hole to make a home.

Which body part helps a groundhog make a home?

• claws

• teeth

• tail

Look at the wetsuit. It helps people stay warm in water.

Which animal could be the model for this idea?

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Look at the parts of a plant.

How does the stem help a plant?

• It makes food.

  
  

• It gets sunlight.

  
  

• It moves water to the leaves.

  
  

Winter is cold. The birds cannot stay warm.

How can the birds get what they need to live?

• dig holes in the dirt

  
  

• make a nest to live in

  
  

• move to a warmer place

  
  

Look at parts of a fish.

Which part helps a fish swim?

• fins

• gills

• scales

Look at how the plant is growing.
Why did the plant grow this way?

• The plant needed more air.

  
  

• The plant needed more light.

  
  

• The plant needed more space.

  
  

Look at the bee.

Which body part keeps the bee safe?

• antenna

• eye

• stinger