Real organs are absent in
(a) Mollusca
(b) Coelenterata
(c) Arthropoda
(d) Echinodermata

AcademicBiologyNCERTClass 9

Correct Answer(b) Coelenterata

Explanation:

 Coelenterates are radially symmetrical and motile organisms, that either live in colonies or as solitary organisms.

These organisms have a coelenteron, a body cavity with only one opening. They don\'t have real organs.

raja
Updated on 10-Oct-2022 13:31:04

Advertisements