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22 paź 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 include the phylum Hemichordata with the chordates.
2 paź 2024 · What is Chordata? The phylum Chordata represents a diverse and highly organized group of animals that share four key anatomical features at some stage of their life cycle. These features include the notochord, a dorsal nerve cord, pharyngeal slits, and a post-anal tail.
A chordate (/ ˈkɔːrdeɪt / KOR-dayt) is a deuterostomic bilaterial 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.
31 lip 2024 · Phylum Chordata. Chordates are bilaterally symmetrical animals, making up the third largest and the most diverse phyla in the animal kingdom, Chordata. They are distinguished by five characteristics: an elastic, rod-like notochord, a dorsal hollow nerve cord, an endostyle or thyroid gland, pharyngeal slits, and a post-anal tail.
6 sie 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 muscular tail extending past the anus.
1. Introduction. Since Charles Darwin proposed the evolution of animals by means of natural selection [1], the origin and evolution of chordates from common ancestor (s) of deuterostomes have been investigated and discussed for more than 150 years [2 – 20].
7 kwi 2019 · Chordate Definition. 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 develops before their mouth in early embryonic stages.
