The ‘anticipatory’ behaviors that have been evolved in organisms, such that the organisms use to respond to the events occurring in nature before they actually happen. Introduction: The populations cannot adapt to environmental conditions that have not been experienced by the organisms in a population, in natural selection. Yet, many organisms are able to respond to the events, occurring in their surroundings, even before they actually happen. For example, many birds depart to the southern wintering grounds from temperate zone long before the arrival of winters. Similarly, some mammals hibernate even during the warm conditions.

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Chapter 20.1, Problem 4R

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The ‘anticipatory’ behaviors that have been evolved in organisms, such that the organisms use to respond to the events occurring in nature before they actually happen.

Introduction:

The populations cannot adapt to environmental conditions that have not been experienced by the organisms in a population, in natural selection. Yet, many organisms are able to respond to the events, occurring in their surroundings, even before they actually happen. For example, many birds depart to the southern wintering grounds from temperate zone long before the arrival of winters. Similarly, some mammals hibernate even during the warm conditions.

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