Darwin's natural selection is based on

Which of the following could not be explained by the Darwin's natural selection theory?

Darwin's theory of natural selection was based on

Which of the following could not be explained by the 'Darwin's Natural Selection Theory' ?

What is the main difference between Darwin's theory of natural selection and De Vries mutation theory?

The main drawback of Darwin's theory of natural selection was that it could not provide satisfactory explanation of

The main drawback of Darwin's theory of natural selection was that it could not provide satisfactory explanation of

According to neo-darwinism, natural selection operates through