Question

Name the excretory organ found in your insect echinodermata and ctenophora

Answer 1

Naphelia is the excretory organ found only on insects.

Hope this helps you dear..!!

Answer 2

1. in insects by maligian tubule.
2. in echinodermates, special excretory system is absent, the waste directly come from tissue to coelomic fluid.
3. ctenophora, special excretory system is not found