Adaptations and Functions

The polar bear's white fur allows it to hide in the cold arctic. This adaptation is called________________.

• White on white
• Camouflage
• Color matching
• behavioral adaptation 

What adaptation does this squirrel have that allows it to glide through the air?

• Extra skin under the arms and legs to capture air as it falls.
• Big ears to capture are as it falls
• Small eyes to see where it will land
• A short thin tail

Most desert plants have spines. How does this adaptation help them survive in a harsh environment?

• The spines capture water
• The spines make it colder
• The spines will make it rain
• The spines will protect the plant from animals that want to eat it

Cactus have a thick, hard surface (cuticle) that prevent ______________ from evaporating.

• Water
• Air
• Sugar
• light

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What is the function (job) of fish gills?

• To absorb water from the water
• To make the fish faster
• To make the fish lighter
• To absorb oxygen from the water

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Why do hollow bones help birds during flight?

• Hollow bones make the birds weigh less
• Hollow bones are full of heavy blood
• Hollow bones store water
• Hollow bones are made of feathers 

Birds migrate during the winter to less cold areas. What type of adaptation is this?

• Behavioral

• structural

Hibernation is a ____________________ adaptation that allows animals to survive at times where food is not available.

• structural

• behavioral

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Structures or behaviors that help an
organism survive in its surroundings

• adaptations
• inherited traits
• learned behaviors
• structural behaviors

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How do adaptations help animals?

• To escape animals
• to hunt for food
• to survive in their habitats
• All of these are correct

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