Q. Protochordates include:
A) Cephalochordata and Vertebrata
B) Urochordata and Cephalochordata, which are exclusively marine
C) Hemichordata and Urochordata
D) Agnatha and Gnathostomata
Explanation
The subphyla Urochordata and Cephalochordata are called protochordates and are exclusively marine.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.