Question

Research from several sources is used to support the evolutionary theory that one type of sponge is more closely related to non-sponge animals than it is to other sponges. What does this suggest about classification in the animal kingdom?

Answer 1

What are the classifications of the animal kingdom?

According to the system set up by Linnaeus, all animals are classified into seven categories: kingdom, phylum, class, order, family, genus and species.