There are over 5000 mammals all together.
No mammals are invertebrates. All mammals are vertebrates.
No. There are many aquatic mammals.
Mammals have internal breeding and have sexual intercourse in order to fertalize the eggs. Other animals have external breeding where the female lays the eggs and then the male fertilizes it. In simpler terms, Mammals have sex, and other animals don't.
You would have 1234567 fish because dolphins are mammals.
They bleed, and can produce milk for their offspring.
No, many mammals are at peace with most others.
two. like all mammals :)
No, many mammals are nocturnal, particularly bats and many felines.
All mammals have a four-chambered heart.
Probably not ALL but many do.
they are living
Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.