Run the sheep simulation a few times with various conditions. Adjust some of the variables including "reaping", amount of grass, and birthrate to see if you can make a more stable population. What is the highest carrying capacity of sheep possible? What conditions are required to allow this carrying capacity?

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

friedrich meischer discovered it in white blood cell

not sure if this is what you'r looking for prokaryotes have organelles hope this out at least.