some have back bones and the others dont
Hair and milk.
Vertebrates are just that vertebrates, that ALL have a backbone, fish, mammals, amphibians, reptiles, birds, marsupials, primates, rodents... etc.
humans are vertebrate because they have a back bone. 90% of different creatures are invertebrate such as octopuses, squids,and or different insects. 10% of different creatures are vertebrate such as dogs, cats, and humans too.
Mammals are not different to vertebrates. Well that's what ii guess
All mammals including woolly mammals are different from other vertebrates in possession of hair ,wool is also type of hair .
Mammals, a branch of vertebrates, possess hair and mammary glands. No other vertebrates do.
Dolphins are mammals. Sharks are fish. They are very different, though both are vertebrates.
Elks are vertebrates. An invertebrate has no backbone like a snail.
Yes. Echidnas are vertebrates. They are mammals, and all mammals are vertebrates.
No, they are reptiles, a completely different class of vertebrates
Hair and milk.
they are warm blooded