what would happen if telomerase stopped working in a cell in which it normally functions at high levels?

Which is an example of a population?

Which of the following is not a potential result of deforestation?

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.