3. What does it mean to be a mammal?
All mammals have some
type of hair or fur on their
bodies. Mammals are also
warm-blooded animals with
mammals supply their young
milk for nutrients.
4. What does it mean to be a bird?
Birds share several common
characteristics. All birds have
feathers covering their skin, and
wings used for
transportation. Birds can
reproduce by laying eggs. Bones
found in birds are light weight
and often hallow.
5. What does it mean to be an amphibian?
Amphibians begin their life
migrating to land. They are
cold-blooded animals who have
no claws on their toes. The skin
of amphibians is usually
smooth; lacking scales, hair,
6. What does it mean to be a fish?
The skin of fish is usually covered
in scales. Fish also have fins
that enable them to swim,
along with gills for breathing.
Fish are vertebrates.
7. What does it mean to be a reptile?
Reptiles skin have scales, but
no feathers or hair. They are
cold-blooded and have
vertebrates. Most reptiles
have claws, and produce