Genetically speaking, as you head down stream after the drought, the level of
genetic variation in the fish would_
and the success of the
parasite would_

Cells in organisms need food, air, and waste removal. how are these needs met? a. cells get their food from the air and sunlight around them. b. organs and tissues perform these functions for the cells. c. cells share their waste with other cells. d. each cell must specialize in all of these functions.