Name the stages of a complete metamorphisis. egg, larva, pupa, adult egg, nymph, adult egg, larva, nymph, adult egg, nymph, pupa, adult

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

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.

The term facultative anaerobe refers to an organism that