<span>The biggest difference between photosynthesis and respiration is that photosynthesis only occurs in plants and some bacteria while respiration occurs in all living organisms. They do share one big similarity and that is that the process of photosynthesis is actually the same process only it is completed in reverse.</span>
Answer:
It will eventually become unsustainable because of factors like food, water, space, etc.
Either amino acids or genotypes.
