Unlike life at the top of a body of water, life at the bottom of the body of water.

AIs affected my temperature and nutrient availability.
BMost relay another means than photosynthesis.
CReceives much more exposure to light.
DPerforms much more photosynthesis

Verified Answer :

The major difference between the life on top and on the bottom of water is that very little light penetrates the bottom of water, meaning that light cannot be used as a source of energy. Consequently, life cannot rely on photosynthesis and it b. Most relay another means than photosynthesis.