Biology

The correct answer is: B.genetic variation needed for a population to evolve.

Explanation:

Mutations introduce genetic variation by altering the DNA sequence in an organism. This genetic variation is crucial for evolution because it provides new traits that may be passed down to future generations, allowing populations to adapt to changing environments over time.

The other options are incorrect for the following reasons:

A.Death of the organism in which they develop: While some mutations can be harmful and even lead to the death of an organism, not all mutation...