Which organisms are most likely to survive?

Suppose you were the commissioner of corrections for your state. which correctional activities might come within your domain? which mostly would not

What type of pollution does household garbage cause

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.