The situation in which allele frequencies in the gene pool of a population remain constant

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time