In biology, evolution is the change in the inherited traits of a population from generation to generation. These traits are the expression of genes that are copied and passed on to offspring during reproduction. ... Genetic drift arises from the role chance plays in whether a given individual will survive and reproduce.
Heredity - This is the passing on of traits from parents to their offspring either through sexual reproduction or asexual reproduction.
1) Are they reliable? 2) Are they relevant? 3) Are they recent? 4) Are they sound resources? 5) Are they a primary source? 6) Are they a secondary source?
