<span>Survival of at least a few members of a population after a major environmental change is most dependent on 3) variations in many different traits in many individuals in the population.
Variation is important for a species which wants to survive huge changes in the environment. If they cannot adapt to their new surroundings, they won't be able to survive. This is where variation comes in - it enables a species to develop new techniques and traits necessary for survival.
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I believe its A. Sedimentary age
C) Both.
Plants go through photosynthesis (producing Oxygen), but to consume the sugars they have created they have to go through cellular respiration as well, which produces carbon dioxide. All organisms go through cellular respiration.
Hope this helps! :)
The lysosome is the part responsible
