Which of the following constitutes the basic structural organization of life? A) species living in an environment
B) cells that make up tissues and structures
C) cell organelles that combine to form nuclei D) weather conditions in a habitat

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