EVOLUTION
DARWIN’S THEORY OF NATURAL SELECTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Competition
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Natural Selection
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gene flow
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genetic drift
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Detailed explanation-1: -The concept of the struggle for existence concerns the competition or battle for resources needed to live. It can refer to human society, or to organisms in nature. The concept is ancient, and the term struggle for existence was in use by the end of the 18th century.
Detailed explanation-2: -So, the correct answer is ‘Intraspecific struggle’.
Detailed explanation-3: -In the Origin of Species, Darwin declared that there was a consistent ‘struggle for existence in nature, where only the fittest could survive. This theory came into existence partially from his observation of Thomas Malthus’s Essay on the Principle of Population.
Detailed explanation-4: -: the automatic competition of members of a natural population for limited vital resources (such as food, space, or light) that results in natural selection.
Detailed explanation-5: -Solution : Intraspecific struggle, interspecific struggle and environmental struggle are the three types of struggle for existence.