GEMET
General
Multilingual
Environmental
Thesaurus
protozoan
Definition

A diverse phylum of eukaryotic microorganisms; the structure varies from a simple uninucleate protoplast to colonial forms, the body is either naked or covered by a test, locomotion is by means of pseudopodia or cilia or flagella, there is a tendency toward universal symmetry in floating species and radial symmetry in sessile types, and nutrition may be phagotrophic or autotrophic or saprozoic.

Related terms
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Scope note

Scope note is not available.

Concept URL: http://www.eionet.europa.eu/gemet/concept/6759