Why did natural selection act on the medium ground finch on Daphne Major?

What is an example of a positively selected gene?

Has human behavior transcended human biology?

Consider species A, B, and C, who share a knuckle-walking common ancestor. Species A and B are bipedal. Species C is a knuckle walker. Which of the following is most likely to be true?

What does the process of neoteny in humans essentially mean?

The dimples allele, D, is dominant, while the no dimples allele, d, is recessive. If a person is heterozygous for this gene, what is their phenotype?

Sympatric speciation occurs when two populations

Baby girls die of SIDS more than baby boys.

SIDS is the number 1 leading cause of death for babies one month to one year of age.

Phylum Platyhelminthes shows diploblastic germ layers.