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Define phylum Echinodermata , hemicordata and chordata in atleast 5 - 6 lines ( no spam pls ) |
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Answer» tion:Echinodermata (the PHYLUM which INCLUDES starfish, sea urchins, sea cucumbers, and crinoids) and Hemichordata, form the ambulacraria, the sister TAXON of the chordates. The Chordata and ambulacraria form the superphylum deuterostomia, composed of the deuterostomes. |
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