:20 ml/h : 40 ml/h : 60 ml/h : 80 ml/h : 100 ml/h

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.

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.