What do plankton eat

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Plankton are classified as any drifting organism that inhabits the waters of the earth. These organisms combined are considered to be some of the most important organisms on earth due to the food supply they provide. They are generally very small and many can only be seen with the aid of a microscope.

What do plankton eat

Most people know that plankton are the most abundant food supply of the ocean, but not many people know what these little organisms eat. Most plankton can make their own food like plants through the process of photosynthesis (converting sunlight into food energy). Planktonic animals cannot make their own energy and feed on smaller plankton. The smallest plankton eat bacteria and detritus (non living organic matter).