Bones
Mammals
Fish
Birds
100
This is the bone group that all vertebrates have.
What is a spine/vertebrae?
100
This is the skin covering that all mammals have.
What is hair?
100
Fish can live in salt water but can also live in this kind of water...
What is fresh water?
100
This is the skin covering of all birds.
What are feathers?
200
This is the stuff inside of our bones.
What is marrow?
200
This is the organ that mammals use to breathe.
What are lungs?
200
Fish breathe with these instead of lungs.
What is gills?
200
Birds have these instead of arms.
What are wings?
300
Bone is a type of this, skin and muscle are other ones.
What is tissue?
300
This characteristic that mammals have let them turn their blood warmer inside of their body?
What is warm-blooded?
300
Fish most often lay these but some have live births.
What is eggs?
300
Birds have this instead of teeth.
What is a beak?
400
This is the amount of bones that an adult has.
What is 206?
400

Mammals births happen in this way.

What is live birth?

400
Fish share this characteristic with reptiles.
What is scales?
400
Bird bones are different than human bones. They have this characteristic to make them lighter.
What is, they are hollow?
500
This is the rubbery, strong material that keeps bone tissue from directly rubbing against each other.
What is cartilage?
500
This is the largest mammal and the largest animal of all time.
What is the Blue Whale?
500
This is the largest fish in the world today.
What is the Whale-Shark?
500
This is the largest bird today.
What is an ostrich?
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