The leaves of a plant are dotted with openings know as the stomata . when open stomata allows the plant to exchange gases and allow moisture to evaporate , to draw water from the roots into the plant. these activities the plant to do what?

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