When homosapians evolved.
homosapians
Not yet, apparently.
3 is the answer all of you homosapians, without a membrane you were wrong sorry dorks
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.
They're still around now.
All humans are mammals but not all mammals are human.
No, all sea animals are not mammals. Fishes are not mammals, but dolphins are mammals.
If you mean "Are all mammals primates?" then the answer is no. Primates are a type of mammal. All primates are mammals. Not all mammals are primates. For example, cats, dogs, bears, rodents... these are all mammals, but not primates.
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.
Yes; all mammals have backbones because all mammals are vertebrates.
Yes- they are mammals, all mammals are vertabrates.