| 释义 |
Definition of Protista in English: Protistaplural noun prəʊˈtɪstəprōˈtistə Biology A kingdom or large grouping that comprises mostly single-celled organisms such as the protozoa, simple algae and fungi, slime moulds, and (formerly) the bacteria. They are now divided among up to thirty phyla, and some have both plant and animal characteristics. 〔生〕原生生物，原生生物界 Example sentencesExamples - The second group includes proteins that appeared before radiation of Eukaryota to Viridiplantae, Metazoa, and Protista.
- Intermittently, the Porifera were classified to the Protista / Protozoa.
- This Kingdom does not contain the prokaryotes (Kingdom Monera, includes bacteria, blue-green algae) or the protists (Kingdom Protista, includes unicellular eukaryotic organisms).
- The scheme most often used currently divides all living organisms into five kingdoms: Monera, Protista, Fungi, Plantae, and Animalia.
- The biological kingdom Protista contains all those relatively simple organisms which consist of a single cell containing a nucleus and other internal structures.
Derivativesnoun ˈprəʊtɪstˈproʊdəst Biology A single-celled organism of the kingdom Protista, such as a protozoan or simple alga. protists living in the surface layers of soil Example sentencesExamples - Dinoflagellates are unicellular protists which exhibit a great diversity of form.
- Like plants and many protists, brown algae undergo a complex life cycle involving alternation of generations.
- Other unicellular organisms found include bacteria, cyanobacteria, dinoflagellates, and other protists.
adjective & noun prəʊˈtɪstənproʊˈtɪst(ə)n Biology On present evidence, Metazoa evolved from a protistan that was a choano-flagellate-like form. Example sentencesExamples - Combined with its large size, the morphological and ontogenetic complexity of this fossil organism places it clearly within the protistan eukaryotes.
- Comparable studies, with varying results, were conducted on land vertebrates, land plants, early protistans, insects, and life as a whole.
noun ˌprəʊtɪsˈtɒlədʒiˌproʊdəˈstɑlədʒi Biology During his tenure at Western, he taught courses in principles of biology, protistology, general botany, plant morphology, and freshwater algae. Example sentencesExamples - Our allegiances are divided between protozoology, phycology, parasitology, mycology, protistology, plant pathology and myriad other professional societies and their journals.
- Phylogeny of naked amoebae remains one of the most knotty questions in protistology.
OriginModern Latin (plural), from Greek prōtista, neuter plural of prōtistos 'very first', superlative of prōtos 'first'. Definition of Protista in US English: Protistaplural nounprōˈtistə Biology A kingdom or large grouping that comprises mostly single-celled organisms such as the protozoa, simple algae and fungi, slime molds, and (formerly) the bacteria. They are now divided among up to thirty phyla, and some have both plant and animal characteristics. 〔生〕原生生物，原生生物界 Example sentencesExamples - The scheme most often used currently divides all living organisms into five kingdoms: Monera, Protista, Fungi, Plantae, and Animalia.
- Intermittently, the Porifera were classified to the Protista / Protozoa.
- The biological kingdom Protista contains all those relatively simple organisms which consist of a single cell containing a nucleus and other internal structures.
- This Kingdom does not contain the prokaryotes (Kingdom Monera, includes bacteria, blue-green algae) or the protists (Kingdom Protista, includes unicellular eukaryotic organisms).
- The second group includes proteins that appeared before radiation of Eukaryota to Viridiplantae, Metazoa, and Protista.
OriginModern Latin (plural), from Greek prōtista, neuter plural of prōtistos ‘very first’, superlative of prōtos ‘first’. |