protista

/proh-tis-tuh/US // proʊˈtɪs tə //

原生动物,原生生物,原生质体,原生生物体

Definitions

n.名词 noun

There is still a neutral class, called Protista, comprising organisms which have not yet been classified as plants or animals.
Symbiosis is found among the protista, being very wide-spread among the radiolaria.
You are also aware that, except in the lowest organisms, the so-called Protista, all organs are built up of cells.
As this group stands midway between several Protista, and links them together, it may bear the name of Mediator, or Catallacta.
The pedigree of the kingdom Protista is still enveloped in the greatest obscurity.