Animal Systems

Mammals have a skeleton inside of their bodies.

• True

• False

Which animal groups have lungs?

• reptiles, birds, and fish

• reptiles, mammals, and birds

• reptiles, fish, and amphibians

Amphibians take in oxygen with their lungs and through their skin.

• True

• False

How can a cold blooded animal cool its body temperature?

• Seek shade, mud, or water

• Lay in the sun

• Eat a taco

• Sit next to another animal

This system filters blood and excretes waste products. Which one is it?

• Respiratory

• Excretory

• Digestive

• Circulatory

What type of circulatory system do arthropods have?

• open

• closed

Fish breathe with ____________.

• Lungs

• Gills

Arthropods have an exoskeleton, which is ________________.

• a hard skeleton on the outside of their body.

• a hard skeleton on the inside of their body.

• a soft skeleton on the inside and outside of their body.

Which group of fish is an example of cartilaginous fish?

• rays, lampreys, and goldfish

• rays, skates, and sunfish

• lampreys, sharks, and goldfish

• sharks, rays, and skates

................. give structure to the body and allow it to move.

• Mouth

• Bones

• Skin