protistan

9.9

A single-celled organism like algae that is not an animal or plant

noun
/prəˈtɪstən/

Specialized

: protista

As that epizootic waned in the mid-1970s, Bonamia ostreae, another protistan parasite, increased to epizootic proportions and further reduced populations of O. edulis.

Examples

Beginning in 1968, the protistan parasite Marteilia refringens affected oyster growing areas.

Academic text (1992)
A common example of a protistan is the amoeba, which can live independently in water.
Some protistans, like diatoms, play a crucial role in aquatic ecosystems by producing oxygen.
Researchers study protistans to understand their diverse ways of obtaining nutrients and reproducing.

Synonyms

protist

vsprotistan

Specialized

1 8.6

A living thing usually made of one cell with a nucleus that is not an animal, plant, or fungus

is defined more technically as an organism of that kingdom with typical traits

protoctist

vsprotistan

Specialized

9.9

Small living things made of one cell or a few cells, like algae, often found in water

focuses on membership in the kingdom and typical single celled or colonial nature

Surface Forms

protistan singular

protistans plural

Morphology

protistan = protist (transparent) = protist + an

Productive denominal suffix '-an' forms a noun meaning 'member of or relating to a protist', so the derivation is straightforward for learners who know 'protist'.

Etymology

Protistan comes from the group name Protista, built on the Greek root proto- meaning 'first'. Think of prototype to remember it: protistan refers to those 'first' or simple life forms, often single-celled organisms.