How do laws encourage stewardship How do laws encourage stewardship? Select all that apply. A. They limit what materials can be released into the environment. B. They prevent people from hunting endangered species. C. They determine how people and businesses can use resources.

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.