Structure and functions

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• B

• C

• D

Choose the best answer. Which of the following structures best functions to protect an animal from predators?

• colorful feathers

• thick fur

• sharp spines

• short legs

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Dolphin's tail

• movement

• covering

• eating

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Porcupine Spines

• movement

• covering

• eating

Does the structure pictured help the animal function in movement, eating or covering for protection?

Image: Ant's Legs

• movement

• covering

• eating

Which animal foot has structures that help the animal dig underground homes?

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Look at the images below. Which foot would most likely belong to a bird that lives in a pond environment?

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How does the giraffes long neck help it survive in the African grasslands? This structure functions to help the giraffe -

• run very quickly

• reach tree branches

• drink from ponds

• hide from predators

Penguins and seals are able to withstand very cold temperatures. What structure helps them do this?

• flat tail

• streamlined shape

• flippers

• lots of blubber

Which of these structures helps a shark find its prey?

• tough skin

• an extremely strong sense of smell

• fins

• three rows of sharp teeth