I need help on number 1 please ASAP I need a better grade

What role does differential reproduction play in natural selection? ! a) some organisms have different reproductive success due to nongenetic traits. b) some organisms have traits that them reach reproductive age. c) different methods of reproduction result in some organisms being genetically altered. d) reproduction varies among organisms due to pathogenic factors. the answer is not a or d based on other posts.

Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn

How do antiviral drugs work? in your own words.