In Darwin's theory of evolution what is the reason for the change in population characteristics over time?

In Darwin's theory of evolution what is the reason for the change in population characteristics over time?
  1. Mutations
  2. Adaptation
  3. Inheritable variations
  4. Large differences arising suddenly in a population

Solution

In Darwin's theory of evolution, the change in population characteristics over time is due to inheritable variations that make resource utilization better for a few (adapted to the habitat better) will enable only those to reproduce and leave more progeny.

Asked in: NCERT

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