The following classification “telescope” clearly indicates the mechanism behind the classification of the Animal Kingdom.
The chart given below briefly outlines the classification of the Animal Kingdom.
Kingdom Animalia
The Animal Kingdom is divided in several phyla mainly on the basis of the cell organisation, symmetry, presence or absence of notochord and body cavity. Animals are arranged progressively from simple single-celled protozoans to highly complex mammals. Given below are some of the main characteristics of each phyla.
