phytoplankton
noun/ˌfaɪtoʊˈplæŋktən/
Frequency rank: #18,078 most common English word
Meaning
microscopic photosynthetic organisms that drift in water and form the base of aquatic food chains.
Example sentence
Scientists discovered that phytoplankton levels in the ocean have dropped significantly over the past century.
Synonyms & related words
- microalgae
- algae
- plankton
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