Which cell structures would be most affected without food? Which cell structures would be most affected without water?

a) it might be the mitochondria because they are the energy powerhouse, so they need food for this high amount of energy.

b) the one would be the chloroplasts because water is required for photosynthesis to happen, which happens in the chloroplasts

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

i need an image of the diagram