What Are The Sub Disciplines Of Zoology?

What Are The Sub Disciplines Of Zoology? Classification. Vertebrate and invertebrate zoology. Structural zoology. Physiology. Developmental biology. Evolutionary biology. Ethology. Biogeography. How many branches of zoology are there? Branch Study Area Mammology Study of mammals Mastology Study of breasts Microbiology Study of micro-organism (viruses and bacteria) Myrmecology Study of ants What are the three branches