list all the defining characteristics that makes them belong to a particular beverage category
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In chordates, four common features appear at some point during development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. The nerve cord is Single, hollow nerve cord beneath the dorsal surface; in vertebrates, it differentiates into the brain and spinal cord. The notochord is a flexible rod on the dorsal side of the gut, present at one stage in all chordates; displaced in the vertebrates by the vertebral column that forms around the nerve cord. Pharyngeal slits (pouches) connect pharynx (between mouth and oesophagus) with outside. The post-anal tail extends beyond anus; present at least in embryo; regresses into tail bone
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