• The behaviour is a response which has some 
   types of causes or stimulli. These stimuli may 
   be internal or external. External ones enter 
   into the body through sense organs and well 
   connected to the nervous system.
  • Study of animal behaviour is called Ethology.
  • Study of animal behaviour is one of the most 
  • Important branch of science due to many 
   reasons.
  Scope or Significance of Behaviour
  • There are several but few can be discussed 
   here.
  • It makes a bridge between molecular and 
   physiological aspects of biology
  • Play a role in animal adaptations and 
   evolution
  • In domestication of wild species (plants and 
   Animals)
  • It helps in conservation of Endangered species
  • It is important as neuroethology
  • It helps to study the role of hormones and 
   pheromones
  • Knowledge of reproductive behaviour helps in 
   improving captive breeding for many  species 
  • Also helpful for humans and their problems
  •          Forms of Animal Behaviour
  • Innate behaviour
  • Learnt behaviour or learning behaviour
  •                      Innate Behaviour
  • This is a first form of behaviour and it is known 
   by  several  names  like:  Inborn,  Acquired, 
   Inherited ,Inherent or Stereotyped behaviour.
  • Innate  behaviour  is  mainly  determined  by 
   genes or genetic makeup of organisms.
  • It has gradation of complexity related to the 
   complexity of nerve pathways. 
  •        
  •             Innate behaviour includes :
  • Kineses
  • Taxes
  • Simple Reflex
  • Instinct and
  • Motivation