Natural selection must be acting on the population
Genetic drift as an evolutionary factor is
Greater in a population with small numbers than in a population with large numbers.
The ultimate origin of genetic variation is
Due to various causes, including DDT poisoning, the population size of whooping cranes was reduced to a/b a dozen. The pop size has since rebounded, and there are now hundreds of whooping cranes. Which would you expect NOT to see?
Very low levels of genetic variation
Which of the following processes result in adaptation?