What would happen if photosynthesis on earth stopped? all plants and animals would die due to the absence of oxygen and carbohydrates (glucose) for respiration. all plants would die as they wouldn't be able to produce carbohydrates, while animals would survive because they don't carry out photosynthesis. all plants and animals would survive as they can carry out respiration, despite the absence of photosynthesis. 

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