Question

what is phytoplankton​

Answer 1

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Phytoplankton are microscopic marine organisms that sit at the bottom of the food chain. They are food for other plankton and small fish, as well as larger animals such as whales. Phytoplankton get their energy from carbon dioxide through photosynthesis (like plants) and so are very important in carbon cycling.

Answer 2

Answer:

Phytoplankton is a single-celled organisms of lakes,streams and oceans that make there own food from sunlight through photosynthesis.