Animals are those organisms which are eukaryotic, multicellular and heterotrophic in their mode of nutrition. Except few, most animals are mobile and do not have cell wall. The two sides of the body ...

There are millions of different types of living things on Earth. In order to keep track of them all, scientists put living things into groups based on characteristics that they have that are the same.

THE author of the work bearing the first of the above titles has set himself a most formidable and ambitious task, viz. that of compressing into a small volume of 214 pages diagnoses of the organology ...