How do latitude and altitude affect the plants that grow in an area

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

If animal agriculture was eliminated, how much grain would become available for human consumption?