Science 4A W7

Fish use their ______ to breathe in water.

• lungs

• gills

• pores

• joints

Which organ do humans use to breathe?

• Gills

• Lungs

• Muscles
  

• Nerves

Snakes move by ______ on the ground.

• jumping

• slithering

• running

• swimming

Which word means “tiny holes on the skin”?

• Joints

• Pores

• Muscles

• Nerves

When you touch something hot, your quick action of pulling your hand back is a ______.

• nerve

• sense

• response

• muscle

ions eat meat, so they are ______.

• Herbivores

• Carnivores

• Omnivores

• Prey

Cows eat grass, so they are ______.

• Herbivores

• Carnivores

• Omnivores

• Predators

A tiger hunts a deer. The tiger is the ______.

• prey

• predator

A bear eats both fish and berries. The bear is an ______.

• Carnivore

• Herbivore

• Omnivore

• Predator