Chordates are bilaterally symmetrical, triploblastic and coelomate organisms. They are divided into

Question

Chordates are bilaterally symmetrical, triploblastic and coelomate organisms. They are divided into 3 sub-phyla. In sub phylum ' $\mathrm{P}^{\prime}$, notochord is present only in larval tail. In members of subphylum ' $Q$ ', notochord extends from head to tail region and is persistent throughout their life. In subphylum ' $R$ ', notochord is replaced by bony vertebral column in adult.\ Which of the following is matched incorrectly?\

Professor PC Thomas Classes · Answer

(b) : Ascidia belongs to subphylum P (Urochordata).\