The majority of photosynthesis in a lake takes place in the

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The limnetic zone is the top layer of open water in a lake where sunlight penetrates, making it the area of highest productivity and where majority of the photosynthesis takes place. The profundal zone (A) is the deepest part of the lake where sunlight cannot reach. The phototropic zone (C) does not exist as a recognized zone in lakes. The littoral zone (D) is the shallow area near the shore where photosynthesis occurs, but it is not the area of highest productivity. The benthic zone (E) is the bottom of the lake where there are no plants, but it can have some photosynthetic bacteria and algae growing on the sediments.

The Majority of Photosynthesis in a Lake Takes Place in the