Compared to the cnidaria, platyhelminthes has a ______. Select one: a. more complex nervous system b. more complex coelom c. less complex nervous system d. less complex coelom
Platyhelminthes has a less complex nervous system. Platyhelminthes is a flatworm. Cnidaria (jellyfish, anemones and corals) have a relatively complex nervous system; comprising of a nerve net.
