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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For natural selection to impact evolution, which condition is not required?
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selection pressures
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inheritance of traits
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genetic variation within a population
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each population occupies its own niche
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Explanation:
Detailed explanation-1: -Natural selection works on populations in response to the existing circumstances, so the survival of species for future and unforeseen scenarios is not required for natural selection.
Detailed explanation-2: -The essence of Darwin’s theory is that natural selection will occur if three conditions are met. These conditions, highlighted in bold above, are a struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.
Detailed explanation-3: -Thus the desired traits are chosen by the breeder is not involved in natural selection.
There is 1 question to complete.