fish
mammals are the smallest group of vertebrates
They're important to evolutionary biologists because members of their group are thought to have given rise to the first four-legged land vertebrates.
human being come at first position in this category
Vertebrates are animals with back bones. Invertebrates don't.
They are qualified as invertebrates and belong to the group of arthropods or crustaceans
Vertebrates and non-vertebrates.
vertebrates
Amphibians
what is the vertabrate group of a walrus
Amphibians were the first vertebrates that came out of the water. The first vertebrates that could live outside of the water though were reptiles. or class reptilia this was during the Carboniferous period.
Possums belong to the group of vertebrates known as mammals.Specifically, they are marsupials.
A. Arthropods