They have been classified into nine major phyla—eight phyla being invertebrates (animals without a backbone). The one phylum of vertebrates (animals with a backbone) is further classified into five different classes—mammals, birds, fish, reptiles and amphibians.
Similarly, what are the major groups of animals?
Scientists have grouped animals into classes to make it easier to study them. There are many different animal classes and every animal in the world belongs to one of them. The five most well known classes of vertebrates (animals with backbones) are mammals, birds, fish, reptiles, amphibians.
What are the six basic groups of animals?
To keep them simple and easier to remember, the scientists had identify many groups of animals. The six main groups are: invertebrates, mammals, birds, amphibians, reptiles and fish.
What are the two major groups of living things?
Living things can be grouped into five main groups called kingdoms: plants, animals, fungi, Protoctista and Monera. The last two are made up of micro- organisms, which are often called microbes, such as bacteria.