Which of these is a hypothesis? a: salmon are kept in their natural habitat and treated with fungicides whenever infected. b: the yield of salmon is 2,000 kilograms in the month of april and 1,500 kilograms in the month of october. c: salmon are more prone to infections during the summer than in other seasons.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

How do the sperm cells get from the stigma to the ovules?