Question

in an aquatic ecosystem, what name is given to the region where photosynthesis can occur?
benthic zone
pelagic zone
aphotic zone
photic zone

Explanation:

Photosynthesis requires light. The photic zone is the upper layer of aquatic ecosystems where sunlight penetrates, allowing photosynthesis. Other options: benthic (bottom), pelagic (open water, not defined by light), aphotic (no light, no photosynthesis).

Answer:

photic zone