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Chordates, members o the phylum Chordata, are deuterostome ainimals possessin a notochord, a hollae dorsal nerve cord, pharyngeal slits, an endostyle, an a post-anal tail for at least some period o thair life cycles. Taxonomically, the phylum includes the subphyla Vertebrata, includin mammals, fish, amphibians, reptiles, birds; Tunicata ...
Хордати ( лат. Chordata) су тип деутеростомних животиња. За најтипичније савремене представнике узимају се кичмењаци. Они поседују нотохорду, шупљу дорзалну нервну цев, фарингеалне тонзиле ...
Craniata. Los craneados ( Craniata) son un clado del filo Chordata, que incluyen todos los animales con cráneo verdadero, ya sea óseo o cartilaginoso, de donde deriva su nombre. Históricamente, el uso de este término surgió para denotar que en este grupo se encontraban incluidos los mixinos, lampreas y gnatostomados, pero solo los dos ...
28 de dic. de 2023 · Chordonia (Chordata) Tunicata (Urochorda) Vertebrata (Cephalochorda) Cavalier-Smith (1998) A revised six-kingdom system of life, . Empire or Superkingdom 1. Prokaryota Empire or Superkingdom 2. Eukaryota Kingdom 1. Protozoa Goldfuss 1818 stat. nov. Owen 1858 em. [almost certainly paraphyletic] Kingdom 2. Animalia Linnaeus 1758 em.
Animal amb un axe gelarièr (còrda) esquinièr. Los vertebrats son de cordats . Los cordats son un grop de metazoaris bilaterals deuterostomats caracterizats per la preséncia d'una còrda dorsala, almens en una fasa de sa vida.
Figure 29.5 Urochordate anatomy. (a) This photograph shows a colony of the tunicate Botrylloides violaceus. (b) The larval stage of the tunicate possesses all of the features characteristic of chordates: a notochord, a dorsal hollow nerve cord, pharyngeal slits, an endostyle, and a post-anal tail. (c) In the adult stage, the notochord, nerve ...
The phylum chordata is named for the notochord, a longitudinal, flexible rod between the digestive tube and the nerve cord; in vertebrates, this is the spinal column. The chordates are also characterized by a dorsal nerve cord, which splits into the brain and spinal cord. Chordata contains two clades of invertebrates: Urochordata (tunicates ...
