2.  Mammals are warm-blooded.  Warm-blooded means to be able to change their body temperature by their selves.  They are also vertebrates.  Vertebrate means to have a backbone.

3.  Mammals give live birth.  Only the Spiny Anteater and Duck Billed Platypus lay eggs.  Some mammals, like a kangaroo, carry their babies in their pouches if they have one  All mammals feed their babies milk after they are born.

4.  Mammals can live in any ecosystem in the world, because they are warm-blooded.  They can change their body temperature to warm if they are in a cold place and cold if they are in a hot place.  They can live in trees, water and any where else in the world.

5.  Herbivore-Herbivores eat plants. Some examples are horses, pandas, beavers and more.  Carnivore- Carnivores eat meat. Some examples are dogs, lions, tigers and more.  Omnivore- Omnivores eat meat and plants. Some example are people, some kinds of bears and more.  Insectivore- Insectivores eat insect. Some examples are anteaters, aardvarks and more.

6.  All mammals have hair or fur.  Most mammals have special teeth like molars and premolars.  Mammals breath with lungs.

7.  Horses  Pandas  Sheep  Bats  Kangaroos  Koalas  And YOU are a mammal!

8.  Mammals are put in to 21 different groups.  There are about 4,500 to 5,000 different species of mammals.  The very first mammals appeared about 2,000,000 years ago in the middle of the Jurassic Period.

9.  What do herbivores eat?  What do all mammals have?  What are the two things that all mammals are?  Where do mammals live?