Answer:
Population genetics
Explanation:
Population genetics refers to the study of distribution of genetic traits and the allelic changes occurring in a population that is variations in the alleles and genotypes.
A population that is freely interbreeding has a collection of genes and alleles called a gene pool of the specific population.
Each member will receives alleles from the gene pool( from its parent) and passes it to other members (offspring)
Evolution is the change in heritable characteristics within a species ! :)
Mammals. I am no scientist, but I think that they are closer to mammals due to the fact that they are warm-blooded, and they raise their young. Reptiles are cold blooded and usually leave their offspring to fend for themselves.