Animals External structure

Rhinoceroses have ___________ to protect them

from the hot African sun and biting insects.

• Thick, rough skin

• claws

• fur

• hair

A snail’s exoskeleton, is called __________ protects

the snail from the sun and water loss.

The shell also acts as a way for the snail

to camouflage into its environment.

• scales

• skin

• feather

• shell

The polar bear’s ___________ is thick to keep it warm

in a very cold weather

• Hair

• Fur

• Rough skin

• scales

A ___________ helps protect its

internal structure from the

aquatic environment that it

lives in

• crab's skeleton

• spider's shell

• crab’s shell

• shrimp's shell

Ladybugs have two pairs of

wings, a set of wings that are _______ike

their exoskeleton, and then a set of

flying wings that are ______ for flight

• hard, softer

• soft, harder

• rough, harder

• smooth, softer

The _____________of fish are a rough covering that protects and

insulates the body.

• fish scales

• fish tale

• fish backbone

• fish fins

_________are sharp, pointy structures on the feet of

mammals, reptiles, and birds

• teeth

• nails

• paws

• claws

Bird ________ protect against temperature

changes. Feathers also enable most birds to fly

• feathers

• beak

• claws

• tail