The animal kingdom can also be divided into two basic groups, what are they?
sponges and vertebrates
mammals and fish
aquatic and land
invertebrates and vertebrates
The Animal Kingdom is one of four kingdoms in the Eukarya Domain. The Animal Kingdom, in turn, is divided into almost 40 modern phyla. The Animal Kingdom can also be divided into two basic groups: invertebrates and vertebrates. Most animal species are invertebrates, which lack a backbone.