Chordata
Human beings are chordates—of the phylum chordata—and so are all other vertebrates, or animals with a spinal column. In addition, there are two invertebrate groups of chordates:...
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Chordates
Chordates are animals in the phylum Chordata. At some stage of their development, all chordates have the following characters: a notochord, gill slits, a dorsal hollow nerve cord, and a post...
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Chordata
Chordates