In what way can organisms coexist when there is limited resources within their ecosystem

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

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line