During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will (1 point).
a. move across the membrane to the outside of the cell..
b. stop moving across the membrane..
c. continue to move across the membrane in both directions..
d. move across the membrane to the inside of the cell.

Give the biological term for: structures that display characteristics of living organisms only within living cells

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time