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Which one of the following describes the “innate behavior” of an animal?

  • A.A behavior that is triggered due to the change in environment.
  • B.A behavior that is trained by the parents.
  • C.A behavior that is determined by heredity.
  • D.A behavior that is learnt by “hit and trial” approach.

Answer: C

Innate behaviour is a behavior that is determined by heredity.

Innate (instinctive) behaviour is genetically programmed: it appears fully formed the first time the animal meets the right stimulus, without learning or practice, as in a spider spinning its first web or a newly hatched gull chick pecking at its parent's bill.

Behaviour trained by parents and behaviour learnt by trial and error are learned behaviours. A response merely triggered by an environmental change describes any behaviour's stimulus, learned or innate, so it does not define innate behaviour.

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