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POLYPHYLETIC [4 records]

Record 1 2013-07-24

English

Subject field(s)
  • Zoology
DEF

A polyphyletic group of ameboid protists characterized by the presence of a test.

French

Domaine(s)
  • Zoologie
OBS

[Ces organismes] forment un groupe polyphylétique d'amibes caractérisées par la présence d'une sorte de «coquille» que l'on nomme une thèque, ou encore un test.

Spanish

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Record 2 2010-11-24

English

Subject field(s)
  • Evolution (Biology)
DEF

[Referring to a group of organisms] derived from more than one ancestral type.

French

Domaine(s)
  • Évolution (Biologie)
DEF

Qualifie un groupe qui dérive de deux ou de plusieurs espèces ancestrales.

Spanish

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Record 3 2004-01-15

English

Subject field(s)
  • Ecosystems
  • Anti-pollution Measures
  • Biotechnology
CONT

Biodiversity functions are polyphyletic, meaning that identical or similar functions arose repeatedly in entirely different taxonomic groups of organisms and ecosystems.

French

Domaine(s)
  • Écosystèmes
  • Mesures antipollution
  • Biotechnologie
CONT

Les fonctions de la biodiversité sont polyphylétiques : des fonctions identiques ou semblables sont souvent apparues dans des groupes entièrement différents d'organismes et d'écosystèmes.

Spanish

Campo(s) temático(s)
  • Ecosistemas
  • Medidas contra la contaminación
  • Biotecnología
DEF

[Dícese del] organismo de un grupo en el cual no todos tienen un origen común.

Save record 3

Record 4 1985-10-01

English

Subject field(s)
  • Paleontology
DEF

Originating from more than a single ancestor. A polyphiletic taxon includes the species ancestral to all the other members.

CONT

During the last forty years polyphyletism has become recognized as an important feature of the history of vertebrates... Woodward pursued these ideas further in suggesting a polyphyletic origin of the teleosts...

French

Domaine(s)
  • Paléontologie
CONT

Il y aurait donc eu, du point de vue de l'Anatomie comparée, un polyphylétisme initial des Sauropsidés.

CONT

Polyphylétisme (..) Dans la situation idéalisée, (...), d'une espèce unique (...) rayonnait une diversification conduisant aux genres puis, de proche en proche, aux familles, ordres, classes etc.

Spanish

Save record 4

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