Zoology deals with the study of animal kingdom that includes the structure, classification, evolution, embryology and distribution of animals both living and extinct. The need for having this branch of biology was required to be oriented because it has been estimated by the scientists that the number of animal species could be from 10 – 100 million.
The following are the important sub-branches of Zoology:
Animal Morphology: it deals with shape, size and structure of different animals. This includes skeleton, muscles etc.
Animals Anatomy: it deals with the internal parts and dissection of all animal structuresAnimal
Physiology and Histology: this part deals with the study of animals’ biological functions.