Question

Which phylum has most distinctive water vascular system?

Answer 1

Answer:

Echinoderms possess a unique ambulacral or water vascular system, consisting of a central ring canal and radial canals that extend along each arm.

Answer 2

Answer:

Echinoderms possess a unique ambulacral or water vascular system, consisting of a central ring canal and radial canals that extend along each arm.