BIO 2 Ch.30 Review

What is one characteristic that mammals share with birds?

• endothermy

• cold blooded

• feathers

• 3 chambered heart

Most mammals give live birth called

• viviparous

• oviparous

• ovoviparous

Animals, like a kangaroo, give live birth to very underdeveloped babies. The babies then complete their development in the mothers pouch are called

• marsupials

• monotremes

• placentals

• reptiles

Hedgehogs are able to protect themselves from predators that might drop them from high places by being able to

• curl up in a ball and bounce

• run really fast

• hide under a log

• land on their feet

The two most defining features of mammals.

• hair/fur, produces milk for their young

• warm-blooded, 4 chambered heart

• cold-blooded, 3 chambered heart

• developed brain, give live birth

Which of these are characteristics of bears?

• They hibernate

• They are omnivores

• They have a great sense of smell

• They like to cuddle

The state of dormancy that usually occurs during harsh, cold winter months is called

• Hibernation

• Christmas

During hibernation the animal’s

• Body temperature lowers

• Breathing and heartbeat slow down

• Metabolism slows down

• Having sweet dreams

Am I a mammal?

• Yes

• No

Is this a mammal?

• Yes

• No