AP BIOLOGY

Detailed explanation-1: -Instinct/instinctual behaviours need not be learned or practiced. These kind of behaviours are present by birth. Making nest by birds, web spinning by spider, etc., are examples of instinctual behaviour of animals.

Detailed explanation-2: -Both pecking and feeding behaviors are innate. Right: When these baby birds open their mouths wide, their mother instinctively feeds them. This innate behavior is called gaping. Another example of innate behavior in birds is egg rolling.

Detailed explanation-3: -Instinct is a type of animal behaviour that need not be learned. A spider does not learn how to spin its web. It is born with the knowledge of web spinning. So, it is an instinctual behaviour.

Detailed explanation-4: -Innate behavior comes from an animal’s heredity. An animal’s instincts are examples of its innate behavior. For example, migrating birds use innate behavior to know when to begin their migration and the route that they should follow. Learned behavior comes from watching other animals and from life experiences.

Detailed explanation-5: -Nest building is an innate behavior in male and female rodents, even when raised in laboratory settings.