Fish
Amphibians
Reptiles
Birds
Mammals
100
20,000
There are approximately _______ species of fish.
100
water
Amphibians lay their eggs in ________.
100
lizards and snakes
The largest group of reptiles are _______ and _______.
100
8,000
There are over __________ species of birds.
100
hair or fur
Most mammals have ____ or _____ that covers thier body.
200
bone, cartilage
Fish have skeletons made up of _______ and ________.
200
hibernate
Amphibians _______ during winter.
200
cold
Reptiles are _______ blooded.
200
wings for flight, feathers, and beaks instead of teeth.
Birds have three major characteristics which are...
200
four
Most mammals walk on ____ legs.
M
e
n
u