Which organisms have the most energy available to them?

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

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

What substance acts to prevent sudden ph changes in bodily fluids?