Q. Absence of circulatory system in Hydra is compensated by
A) Pseudocoelomic fluid
B) Gastrovascular cavity
C) Presence of tentacles
D) None of these
Explanation
Hydra shows a central cavity or coelenteron, which is functionally referred as gastrovascular cavity.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.