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单词 phylum
释义

phylum


phy·lum

F0123500 (fī′ləm)n. pl. phy·la (-lə) 1. Biology A taxonomic category of organisms ranking below a kingdom and above a class. In the classification of plants, division often replaces phylum.2. Linguistics A large division of possibly genetically related families of languages or linguistic stocks.
[New Latin phȳlum, from Greek phūlon, class; see bheuə- in Indo-European roots.]

phylum

(ˈfaɪləm) n, pl -la (-lə) 1. (Biology) a major taxonomic division of living organisms that contain one or more classes. An example is the phylum Arthropoda (insects, crustaceans, arachnids, etc, and myriapods)2. (Linguistics) any analogous group, such as a group of related language families or linguistic stocks[C19: New Latin, from Greek phulon race]

phy•lum

(ˈfaɪ ləm)

n., pl. -la (-lə). 1. the primary subdivision of a taxonomic kingdom, grouping together all classes of organisms that have the same body plan. 2. a category consisting of language stocks that, because of cognates in vocabulary, are considered likely to be related by common origin. [1875–80; < New Latin < Greek phŷlon group with common ancestry, tribe, akin to phyein to bring forth, produce, be] phy′lar, adj.

phy·lum

(fī′ləm) Plural phyla A group of organisms ranking above a class and below a kingdom. See Table at taxonomy.

phylum

any of the basic divisions of the plant or animal kingdom. Cf. phylon.See also: Botany
any of the basic divisions of the plant or animal kingdom.See also: Classification
any of the major subdivisions of the plant or animal kingdom. Cf. phylon. See also linguistics.See also: Animals

phylum

A major group of organisms that is a subdivision of a kingdom, e.g. mollusks.
Thesaurus
Noun1.phylum - (linguistics) a large group of languages that are historically relatedlinguistics - the scientific study of languagesocial group - people sharing some social relation
2.phylum - (biology) the major taxonomic group of animals and plants; contains classesphylum Pyrrophyta, Pyrrophyta - a division of lower plants comprising unicellular and biflagellate algae that form starchy compoundsphylum Protozoa, Protozoa - in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifersCryptophyta, phylum Cryptophyta - a phylum in the kingdom ProtoctistaChordata, phylum Chordata - comprises true vertebrates and animals having a notochordCephalochordata, subphylum Cephalochordata - lanceletssubphylum Tunicata, subphylum Urochorda, subphylum Urochordata, Tunicata, Urochorda, Urochordata - tunicatesCraniata, subphylum Craniata, subphylum Vertebrata, Vertebrata - fishes; amphibians; reptiles; birds; mammalsArthropoda, phylum Arthropoda - jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedesPentastomida, subphylum Pentastomida - tongue wormsphylum Porifera, Porifera - coextensive with the subkingdom Parazoa: spongesCnidaria, Coelenterata, phylum Cnidaria, phylum Coelenterata - hydras; polyps; jellyfishes; sea anemones; coralsCtenophora, phylum Ctenophora - comb jellies; sea acorns; a small phylum formerly considered a class of CoelenterataAcanthocephala, phylum Acanthocephala - phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed wormsChaetognatha, phylum Chaetognatha - arrowworms: a group of small active transparent marine wormsphylum Platyhelminthes, Platyhelminthes - flatwormsNemertea, Nemertina, phylum Nemertea, phylum Nemertina - proboscis wormsphylum Pogonophora, Pogonophora - beard wormsphylum Rotifera, Rotifera - a phylum including: rotifersAschelminthes, Nematoda, phylum Aschelminthes, phylum Nematoda - unsegmented worms: roundworms; threadworms; eelwormsAnnelida, phylum Annelida - segmented worms: earthworms; lugworms; leechesMollusca, phylum Mollusca - gastropods; bivalves; cephalopods; chitonsPhoronida, Phoronidea, phylum Phoronida - small phylum of wormlike marine animalsBryozoa, phylum Bryozoa, polyzoa - marine or freshwater animals that form colonies of zooidsEctoprocta, phylum Ectoprocta - coextensive with or a subphylum of BryozoaEndoprocta, Entoprocta, phylum Entoprocta - sometimes considered a subphylum of BryozoaCycliophora, phylum Cycliophora - tiny marine organisms each the size of a period found in great numbers on lobsters' lips; identified tentatively in 1995 as a new phylum or as possible link between Entoprocta and EctoproctaBrachiopoda, phylum Brachiopoda - marine invertebrates that resemble mollusksphylum Sipuncula, Sipuncula - peanut wormsEchinodermata, phylum Echinodermata - radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbersbiological science, biology - the science that studies living organismskingdom - the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animaliataxon, taxonomic category, taxonomic group - animal or plant group having natural relationssubphylum - (biology) a taxonomic group ranking between a phylum and a classclass - (biology) a taxonomic group containing one or more ordersdivision - (botany) taxonomic unit of plants corresponding to a phylum
Translations
Stammσυνομοταξίαтип

phylum


phylum,

in taxonomy: see classificationclassification,
in biology, the systematic categorization of organisms into a coherent scheme. The original purpose of biological classification, or systematics, was to organize the vast number of known plants and animals into categories that could be named, remembered, and
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.

Phylum

 

(also type), the highest taxonomic category in the classification of animals. A phylum, or type, is made up of related classes. The term “type” was proposed in 1825 by H. de Blain-ville, who applied it to the four “branches” of animals distinguished by G. Cuvier in 1812.

Phyla vary in size: for example, the phylum Porifera comprises approximately 5,000 species, whereas the phylum Pogonophora has only about 100 species. Phyla are frequently divided into sub-phyla. For example, the phylum Chordata has four sub-phyla—Cephalochordata, Tunicata, Acrania, and Vertebrata. Organisms belonging to the same phylum are marked by the same structural organization. The number of phyla and their size vary from one classification system to another. Some taxonomists recognize as few as ten phyla, and others as many as 33. However, these differences do not diminish the importance of phyla as categories that reflect the principal branches of the phylogenetic tree of the animal kingdom.

In plant classification, which has been worked out independently from animal classification, the taxonomic category corresponding to a phylum is called a division.

M. E. KIRPICHNIKOV

phylum

[′fī·ləm] (systematics) A major taxonomic category in classifying animals (and plants in some systems), composed of groups of related classes.

phylum

a major taxonomic division of living organisms that contain one or more classes. An example is the phylum Arthropoda (insects, crustaceans, arachnids, etc., and myriapods)

phylum


phylum

 [fi´lum] (pl. phy´la) (L., Gr.) a primary division of the plant or animal kingdom, including organisms that are assumed to have a common ancestry.

phy·lum

, pl.

phy·la

(fī'lŭm, fī'lă), A taxonomic division below the kingdom and above the class. [Mod. L. fr. G. phylon, tribe]

phylum

(fī′ləm)n. pl. phy·la (-lə) 1. Biology A taxonomic category of organisms ranking below a kingdom and above a class. In the classification of plants, division often replaces phylum.2. Linguistics A large division of possibly genetically related families of languages or linguistic stocks.

phy·lum

, pl. phyla (fī'lŭm, -lă) A taxonomic division below the kingdom and above the class. [Mod. L. fr. G. phylon, tribe]

phylum

The taxonomic group below kingdom and above class.

phylum

(pl. phyla) a major grouping (TAXON) into which kingdoms (e.g. the animal kingdom), are divided and which is composed of a number of CLASSES.

phylum


Related to phylum: phylum Chordata, phylum Cnidaria, phylum Echinodermata
  • noun

Words related to phylum

noun (linguistics) a large group of languages that are historically related

Related Words

  • linguistics
  • social group

noun (biology) the major taxonomic group of animals and plants

Related Words

  • phylum Pyrrophyta
  • Pyrrophyta
  • phylum Protozoa
  • Protozoa
  • Cryptophyta
  • phylum Cryptophyta
  • Chordata
  • phylum Chordata
  • Cephalochordata
  • subphylum Cephalochordata
  • subphylum Tunicata
  • subphylum Urochorda
  • subphylum Urochordata
  • Tunicata
  • Urochorda
  • Urochordata
  • Craniata
  • subphylum Craniata
  • subphylum Vertebrata
  • Vertebrata
  • Arthropoda
  • phylum Arthropoda
  • Pentastomida
  • subphylum Pentastomida
  • phylum Porifera
  • Porifera
  • Cnidaria
  • Coelenterata
  • phylum Cnidaria
  • phylum Coelenterata
  • Ctenophora
  • phylum Ctenophora
  • Acanthocephala
  • phylum Acanthocephala
  • Chaetognatha
  • phylum Chaetognatha
  • phylum Platyhelminthes
  • Platyhelminthes
  • Nemertea
  • Nemertina
  • phylum Nemertea
  • phylum Nemertina
  • phylum Pogonophora
  • Pogonophora
  • phylum Rotifera
  • Rotifera
  • Aschelminthes
  • Nematoda
  • phylum Aschelminthes
  • phylum Nematoda
  • Annelida
  • phylum Annelida
  • Mollusca
  • phylum Mollusca
  • Phoronida
  • Phoronidea
  • phylum Phoronida
  • Bryozoa
  • phylum Bryozoa
  • polyzoa
  • Ectoprocta
  • phylum Ectoprocta
  • Endoprocta
  • Entoprocta
  • phylum Entoprocta
  • Cycliophora
  • phylum Cycliophora
  • Brachiopoda
  • phylum Brachiopoda
  • phylum Sipuncula
  • Sipuncula
  • Echinodermata
  • phylum Echinodermata
  • biological science
  • biology
  • kingdom
  • taxon
  • taxonomic category
  • taxonomic group
  • subphylum
  • class
  • division
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更新时间:2024/12/22 20:57:58