Text-books Of Animal Biology A General Zoology ... [DIRECT]

Learn the hierarchy (Kingdom, Phylum, Class, etc.). Modern zoology relies heavily on Cladistics —grouping animals by shared ancestry rather than just looking alike. 2. The Architectural Plan: Body Design Animals are often categorized by their "build":

Does it have two layers (diploblastic) or three (triploblastic)? TEXT-BOOKS OF ANIMAL BIOLOGY A General Zoology ...

How animal cells differ from plants (no cell walls, presence of centrioles) and how they form the four basic tissues: epithelial, connective, muscular, and nervous. Learn the hierarchy (Kingdom, Phylum, Class, etc