phytoplankter
/ˌfaɪtoʊˈplæŋktər/
noun
- A single organism of phytoplankton; a microscopic plant that drifts in water.
- Scientists studied one phytoplankter species to understand its role in the ocean.
- A single phytoplankter can reproduce rapidly in warm water.
- Each phytoplankter is too small to see without a microscope.