The theory of evolution states that all living things developed from simpler organisms. Why is this statement known as a theory? 1. There is no evidence for the idea.
2. Scientists cannot agree about the idea.
3. The idea is not open to doubt or argument.
4. Scientists may modify the idea as they gather more evidence.

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.