Question

multiple choice question marine plants undergo photosynthesis in the lighted portion of the ocean called the ______ zone. anoxic trophic euphotic

Explanation:

The euphotic zone is the upper - most layer of the ocean where there is sufficient light for photosynthesis to occur. Anoxic zones lack oxygen and are not related to the light - dependent process of photosynthesis. Trophic refers to feeding levels in a food chain and is not related to the light - based ocean zone for photosynthesis.

Answer:

C. euphotic