Functional systems for specific physiological functions are not seen in

Question

Functional systems for specific physiological functions are not seen in (A) Annelids (B) Molluscs (C) Arthropods (D) Echinoderms

Tardigrade Admin · Accepted Answer

Coelenterates are organisms with tissue level of organisation. There are no definite organs and organ systems for performing different functions.

Q. Functional systems for specific physiological functions are not seen in