Environmental factors can influence natural selection because they can increase or decrease? the number of chromosomes in an individual.
O the number of chromosomes in a population.
the amount of genetic variation in an individual.
O the amount of genetic variation in a population.
оо

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

24. how are vaccines used to keep people healthy?

Part a - which gene to compare? in this exercise, you will use the cytochrome c oxidase i (coi) gene to investigate relationships among salmon species. (this gene encodes a protein that functions in the mitochondrial electron transport chain.) you will compare the coi gene sequences from your salmon test samples to the standard sequences for each salmon species. in order for the coi gene to be useful for distinguishing among the different salmon species, which three statements must be true?