Science Test 4

Bear has fur on its body. How does fur help?

• To help them swim.

• To keep the body warm.

• To make them look big.

A body part on the outside of an animal that helps it survive is called a(n) _____

• internal structure

• external structure

• organism

• adaptation

Claws can be used to help some animals ______.

• swim
• climb trees
• sleep
• breathe

Which of these is not an external part?

• eyes
• ears
• heart
• tail

I'm an internal structure that is made of a strong muscle in the animal body that pumps blood to all other body structures. I'm the ...............................

• lungs

• heart

• gills

• cerebrum

What happens when food reaches the stomach?

• Digestive juices mix with the food.

• Food is stored, but no digestion occurs.

• The food is moved into the small intestine.

• The food is completely digested and absorbed into the bloodstream.

What internal organ receives information about the animal's environment?

• brain

• heart

• lungs

• skeleton

Organs found in fish that extract oxygen from the water as water.

• lungs

• gills

• Feathers

• mouth

When an animal blends in with its surroundings, it's using ______

• mimicry

• camouflage

• compression

• carnivore

What do the lungs provide to the blood?

• oxygen

• carbon dioxide