Natural selection acts on populations of living things, usually through a specific trait. which statement must be true about that trait? a) the trait is passed on genetically to the next generation. b) the trait is resistant to mutations. c) the trait is the same for all organisms. d) all forms of the trait have the same impact on survival.

What is the difference between an igneous, sedimentary and metamorphic rock

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%

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.