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Visa alla på WikipediaChordate - Wikipedia
A chordate is a deuterostomic animal belonging to the phylum Chordata (/kɔːrˈdeɪtə/ kor-DAY-tə). All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics (synapomorphies) that distinguish them from other taxa. These five synapomorphies are a notochord, … Visa mer
Although the name Chordata is attributed to William Bateson (1885), it was already in prevalent use by 1880. Ernst Haeckel described a taxon comprising tunicates, cephalochordates, … Visa mer
The following schema is from the 2015 edition of Vertebrate Palaeontology. The invertebrate chordate classes are from Fishes of the World. While it is structured so as to reflect evolutionary relationships (similar to a cladogram), it also retains the traditional ranks … Visa mer
Overview
There is still much ongoing differential (DNA sequence based) comparison research that is trying … Visa mer• Chordate genomics
• List of chordate orders – All the classes and orders of phylum Chordata Visa merCephalochordata: Lancelets
Cephalochordates, one of the three subdivisions of chordates, are small, "vaguely fish-shaped" animals that lack brains, clearly defined … Visa merThe closest relatives of the Chordates are believed to be the Hemichordates and Echinodermata, which together form the Ambulacraria. The Chordata and Ambulacraria … Visa mer
Text från Wikipedia enligt CC-BY-SA license Chordadieren - Wikipedia
Chordadieren (Chordata) vormen een stam in het dierenrijk, waartoe de gewervelden, slijmprikken, manteldieren en lancetvisjes behoren. De stam omvat alle dieren die, althans in aanleg, een chorda hebben. Dit is een flexibel, staafachtig orgaan in de rug van het dier. Van de oorspronkelijke chorda is meestal alleen in het embryonale stadium nog iets terug te vinden.
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Ryggsträngsdjur – Wikipedia
WEBBRyggsträngsdjur eller kordater (Chordata) är en djurstam som innefattar ryggradsdjuren, manteldjuren och lansettfiskarna. Gemensamt för alla ryggsträngsdjur är att de …
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Chordate | Definition, Characteristics, & Facts | Britannica
WEBBChordate, any member of the phylum Chordata, which includes the vertebrates, the most highly evolved animals, as well as two other subphyla—the tunicates and cephalochordates. Some classifications …
Chordate - Definition, Characteristics and Examples
WEBB7 apr. 2019 · A chordate is an animal that belongs to the phylum Chordata, which is part of the Deuterostomes kingdom. Organisms in the Deuterostomes kingdom have a distinct characteristic: their anus …
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Chordata - Definition and Examples - Biology Online …
WEBB6 aug. 2023 · Chordata (biology definition): a phylum of the animal kingdom comprising all the animals that have, at some stage in their life, a notochord (a hollow dorsal nerve cord), pharyngeal slits, and a …
Characteristics of chordates | Britannica
WEBBchordate , Any member of the phylum Chordata, which includes the most highly evolved animals, the vertebrates, as well as the marine invertebrate cephalochordates (see …
29.1: Chordates - Biology LibreTexts
WEBBThe characteristic features of Chordata are a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. Chordata contains two clades of invertebrates: Urochordata (tunicates) and Cephalochordata …
Chordate - Evolution, Paleontology, Anatomy | Britannica
WEBBHemichordates are probably the closest relatives of chordates. Phylum Chordata has three subphyla: Tunicata (Urochordata or tunicates); Cephalochordata (Acrania or …
Introduction to the Chordata - University of California Museum of ...
WEBBIntroduction to the Chordata From sea otters to sea squirts. The Chordata is the animal phylum with which everyone is most intimately familiar, since it includes humans and …
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