Development of a normal behavior pattern requires genes. These genes code for the development of structures and organs involved in the behavior. For example, normal locomotion of vertebrates requires limbs. There are some genes of the limbs. But the normal development of limbs requires interaction with the environment of animals. This environment includes proper nourishment, water balance, and other factors. These factors maintained normal development. The book deals with the behaviour of animals, and gives us wonderful way of each kind of animal's....