A thought-provoking and informative guide to the fascinating story of survival, this guide explains how an animal's specialized anatomy works in such a way as to ensure the success of its progeny. Examples of all geneses from the animal world are included. Designed as a support to home learning or as a resource for projects, the book contains fascinating titbits such as an elephant's heart is five times bigger that that of a human and compares the bodies of different animals to show how the anatomy of instects, reptiles, birds, mammals and sharks enable them to survive in the wild. The series presents a detailed examination of a wide range of thematic subjects from animal habitats to survival skills. The books examine a variety of animals from insects to big cats and sea animals, including colour photographs by top wildlife photographers. The books may act as a supplement to school studies or to gain further insight into a subject of interest.