Binary Fission i believe is the answer have a very nice day
Photosynthesis is one of the main processes that is basically responsible for the function of all living things. Without it carbon would not be cycled, oxygen would not be made and plants would not be able to creat food for themselves and would have to rely on another source.
Carbon dioxide is what humans exhale, giving trees carbon dioxide will produce oxygen
I think it would be a drought.
Visual disturbance is the most likely to precede primary succession