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单词 Protoctista
释义

Definition of Protoctista in English:

Protoctista

plural noun ˌprəʊtɒkˈtɪstəˌprōtäkˈtistə
Biology
  • A kingdom or large grouping that is either synonymous with the Protista or equivalent to the Protista together with their multicellular descendants.

    Example sentencesExamples
    • He says there are twenty or more kingdoms hidden in the Protoctista gloss.
    • This section covers almost exclusively single-celled forms, i.e. the Protista or Protoctista.

Derivatives

  • protoctist

  • noun
    Biology
    • In recent years, eukaryotes have been broken down into four kingdoms: animals, plants, fungi, and protists or protoctists.
      Example sentencesExamples
      • Not only bacteria, but also archaea, small fungi, and anaerobic (without oxygen) protoctists just don't fit the ‘species concept’ as written above.
      • It was just in 1980 that the minute protoctists in the ‘picoplankton’ of polar waters were discovered.
      • Most nations of the world do not have complete inventories of their flora and fauna, let alone their fungi, protoctists, and prokaryotes (microorganisms).
      • 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'.

 
 

Definition of Protoctista in US English:

Protoctista

plural nounˌprōtäkˈtistə
Biology
  • A kingdom or large grouping that is either synonymous with the Protista or equivalent to the Protista together with their multicellular descendants.

    Example sentencesExamples
    • 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.

Origin

Modern Latin (plural), based on Greek prōtos ‘first’.

 
 
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更新时间:2024/9/21 0:30:20