The Oxygen-Carbon Dioxide Cycle. Plants use carbon dioxide in a process known as photosynthesis. During photosynthesis, plants give off oxygen as a waste product. ... Animals breathe in the oxygen made by plants and breathe out carbon dioxide as a waste product.
Answer:
Explanation:
carbohydrate molecules
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Photosynthesis uses carbon dioxide and water to assemble carbohydrate molecules (usually glucose) and releases oxygen into the air.
Well this has to be your opinion :) but I will tell you autotrophs are organisms that can make their own food, so plants. Heterotrops are organisms that have to get their energy from another source, animals. So would you rather be a plant or animal (like you already are) and why?
So........... whats ur question. no there is not 15 abiotic factors in the ocean