These animals are warm-blooded. They have hair or fur on their bodies. Their young do not hatch from eggs.

These animals are cold-blooded. They breathe with gills

when young, but they grow lungs when they become

adults.

These animals are cold-blooded. They breathe with gills throughout their lives.

These animals are cold-blooded. They have dry, scaly skin, and breathe air through lungs.

To which vertebrate group does this animal belong?

elephant

To which vertebrate group does this animal belong?

salamander

To which vertebrate group does this animal belong?

penguin

To which vertebrate group does this animal belong?

shark (sharks lay eggs)

To which vertebrate group does this animal belong?

lizard

To which vertebrate group does this animal belong?

alligator

To which vertebrate group does this animal belong?

ostrich

To which vertebrate group does this animal belong?

tree frog

To which vertebrate group does this animal belong?

whale (give birth to live young)

To which vertebrate group does this animal belong?

human

True or false:

All birds have feathers

True or false:

All mammals have hair or fur.

True or false:

Reptiles are warm-blooded.

True or false:

All birds can fly.

True or false:

All birds have a beak or bill.

True or false:

All birds have 2 feet.

Check all of the boxes that SUPPORT the claim:

A bat is a mammal, not a bird

Check all of the boxes that SUPPORT the claim:

A dolphin is a mammal, not a fish.

___________ animals' have body temperature that change according to their surroundings.

___________ animals maintain a constant body temperature.