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Vlada [557]
4 years ago
8

24 Notocords is restricted to tregona) Hemichordatesc) Cephalochordatesd)ALL Chordates​

Biology
1 answer:
victus00 [196]4 years ago
4 0
All chordates. a notochord is present at some point in all chordates but sometimes is lost or becomes another structure, like vertebrae

Also idk what “Tregon” so hopefully that didn’t stray from my answer being right
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