Chordate - Wikipedia
WebA chordate (/ ˈ k ɔːr d eɪ t / KOR-dayt) is a deuterostomic animal belonging to the phylum Chordata (/ k ɔːr ˈ d eɪ t ə / 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 .
Chordata - Wikipedia, la enciclopedia libre
WebLos cordados (Chordata, del griego χορδωτά khordota ‘con cuerda’) son un filo del reino animal caracterizado por la presencia de una cuerda dorsal o notocorda (o notocordio) de células turgentes, [1] tubo neural hueco en posición dorsal, hendiduras branquiales y cola, por lo menos en alguna fase del desarrollo embrionario. [2]
Chordata - Wikiwand
WebLos cordados ( Chordata, del griego χορδωτά khordota ‘con cuerda’) son un filo del reino animal caracterizado por la presencia de una cuerda dorsal o notocorda (o notocordio) de células turgentes, tubo neural hueco en posición dorsal, hendiduras branquiales y cola, por lo menos en alguna fase del desarrollo embrionario.
Chordate | Definition, Characteristics, & Facts | Britannica
WebMar 29, 2024 · Chordate, 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 also …
Cambrian chordates - Wikipedia
WebThe Cambrian chordates are an extinct group of animals belonging to the phylum Chordata that lived during the Cambrian, between 538 and 485 million years ago. The first Cambrian chordate known is Pikaia gracilens , a lancelet -like animal from the Burgess Shale in British Columbia , Canada.
Chordate - Simple English Wikipedia, the free encyclopedia
WebChordates, phylum Chordata, are a phylum of animals which have a notochord. The group includes vertebrates, with some closely related invertebrates.
Chordate genomics - Wikipedia
WebChordate genomics is the study of the evolution of the chordate clade based on a comparison of the genomes of several species within the clade. The field depends on whole genome data (the entire DNA sequence) of organisms.
5.9.2: Chordates - Biology LibreTexts
WebThe chordates are named for the notochord, which is a flexible, rod-shaped mesodermal structure that is found in the embryonic stage of all chordates and in the adult stage of some chordate species. It is strengthened with glycoproteins similar to cartilage and covered with a collagenous sheath.
Chordate - Evolution, Paleontology, Anatomy | Britannica
WebEvolution and paleontology. Many scientists maintain that chordates originated sometime earlier than 590 million years ago; that is, they predate the fossil record. Such early representatives were soft-bodied and therefore left a poor fossil record. The oldest known fossil chordate is Pikaia gracilens, a primitive cephalochordate dated to ...
Chordata | Encyclopedia.com
WebJun 8, 2018 · Chordata (kôrdā´tə,–dä´–), phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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