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Term Plankton
Definition

A community of mostly microscopic aquatic organisms that float or are suspended in fresh and salt waters, and are most abundant up to approximately 200 meters in depth. They are categorized as zooplankton (animal organisms) and phytoplankton (plant organisms).

Phytoplankton refers to a group of autotrophic organisms, including prokaryote or eukaryote algae, which live near the surface of the water where there is enough light to allow photosynthesis. Diatoms, cyanobacteria, din flagellates and coccolithophorids are among the most important groups. 

Zooplankton is a set of small protozoa or metazoa (for example, shellfish and other animals) that feed on other plankton and telonemia. Some of the eggs and larvae of larger animals, such as fish, crustaceans, and annelid worms, are included in this category.

See trophic

 

Topic  BiodiversityResources coastal / marineSoil and water