| 释义 |
Protoctista /ˌprəʊtɒkˈtɪstə /plural noun BiologyA kingdom or large grouping that is either synonymous with the Protista or equivalent to the Protista together with their multicellular descendants.This section covers almost exclusively single-celled forms, i.e. the Protista or Protoctista....- He says there are twenty or more kingdoms hidden in the Protoctista gloss.
Derivatives protoctist noun ...- Most nations of the world do not have complete inventories of their flora and fauna, let alone their fungi, protoctists, and prokaryotes (microorganisms).
- In recent years, eukaryotes have been broken down into four kingdoms: animals, plants, fungi, and protists or protoctists.
- Those who study protoctists, nucleated microorganisms and their immediate descendants exclusive of animals, plants and fungi, are disenfranchised.
Origin Modern Latin (plural), based on Greek prōtos 'first'. |