The relation between humans and their digestive bacteria can be described as
a- commensalism
b- competition
c- mutualism
d- predation

What is the difference between a scientific hypotheses and a scientific theory?

Number and variety of living organism; includes genetic, species, and ecological types

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.