Question

How do plankton participate in the oxygen cycle?

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A. They produce oxygen during cellular respiration.
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B. They absorb oxygen during transpiration.
c. They absorb oxygen during photosynthesis.
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D. They produce oxygen during photosynthesis.

Answer 1

D. They produce oxygen during photosynthesis

Answer 2

D. They produce oxygen during photosynthesis.

Explanation:plankton are micro organism that lives and thrives in the ocean. They have the ability to produce their own food through the process of photosynthesis using sunlight and nutrients from the ocean. The end product of photosynthesis is sugar and oxygen. Sugar is used up by the organism(plankton)

while oxygen is released back to the atmosphere.