What are chordates and non chordates?

1.	What are chordates and non chordates?
Answer» Chordates are the organisms which have notochord such as the organisms belong to vertebrate phylum while non chordates are the organisms which don\'t have notochord(its long rod like structure that runs to the back of the animals and separates the nervous tissue from the gut) such phylum porifera to enchinodermata

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