Which of the following animals lacks a notochord in both its embryonic and adult stages?. . A. Pikaia . . B. worm . . C. lancelet . . D. tunicate .

Respuesta :

Worm lacks a notochord in both its embryonic and adult stages.
worm lacks a notochord in both its embryonic and adult stages.
So the best answer is choice with letter B.Worm
I hope it helps.