Plankton are a huge part of the ecosystem of the marine world. They are the foundation of the food chain of the sea. The zooplankton that feed on the phytoplankton are full of energy that is passed on to the larger sea creatures that eat them. Without plankton there wouldn't be any seafood for us to eat or fish or see.
There are two types of plankton I will be discussing today: Diatoms and Dinoflagellates. Diatoms are the most important phytoplankton as well as the most abundant type of photosynthetic organism in the ocean. They are single-celled and survive off the sun's energy. They can be found in salt water, fresh water, cold water, and warm water.
Dinoflagellates are the second most abundant type of photosynthetic organism in the ocean. They are almost all found in the ocean but some are found in fresh water. They have two flagella and some dinoflagellates cause harmful effects on marine life due to the toxins they carry.
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