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Byju's Answer
Standard VIII
Biology
Darwinism
The greatest ...
Question

The greatest drawback of Darwin’s theory was his failure to explain ___.

A
variations
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B
survival of the fittest
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C
over production
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D
struggle for existence
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Solution

The correct option is A variations
Darwin believed that variations are an important factor for evolution. However, he couldn't recongnize the source of variations in the organisms. He did not know about the mechanism of inheritance.

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