Answer to Question #211363 in Zoology for liza

Question

phylogenetic relationship between hemichordates and chordates

Answer 1

Chordates exist in water, land, and air, whereas hemichordates are worm-like aquatic creatures. Hemichordata and Chordata vary primarily in that Hemichordata have an epidermal neural system whereas Chordata has a central nervous system. Chordates have a tubular nerve cord on the dorsal side.