1. Fur
2. Mammary Glands (in females)
3. Three middle ear bones
4. A neocortex region of the brain
Mammals, a branch of vertebrates, possess hair and mammary glands. No other vertebrates do.
Elks are vertebrates. An invertebrate has no backbone like a snail.
Yes. Echidnas are vertebrates. They are mammals, and all mammals are vertebrates.
they are warm blooded
All mammals are vertebrates because they have a spine and spinal cord, and an internal skeleton. They belong to the Phylum Chordata. Mammals, birds, fish, reptiles and amphibians are all vertebrates.
Wildebeests are mammals and, like all mammals, are vertebrates
Yes. Wallabies are mammals, and all mammals are vertebrates.
Hair and milk.
Bird and mammals are the only two groups of vertebrates which are warm blooded. Amphibians, reptiles and fish, the other vertebrate groups, are all cold-blooded.
All mammals are vertebrates. The two main sections of the animal kingdom are invertebrates and vertebrates- and mammals fall into the vertebrates section!!
All mammals are vertebrates. This includes platypuses.
Wallaroos are mammals so, like all mammals, they are vertebrates.