1. Why were the “aa” allele pairs taken out of the gene pool after each generation? 2. How did the frequency of black, gray, and white moths change over 8 generations?

3. Is it possible for a white moth to be born from a population of only black and gray moths? Explain your answer.

What is the main fuel source for the work of the cell

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.