Question

differences between metazoa and eumetazoa

Answer 1

Eumetazoa are animals whose tissue are organized into true tissues and there is a development of organs. Parazoa lack this tissue organization. This signifiies that eumetazoa have more complexly organized tissue than parazoa do. Examples of parazoa belong to phylum porifera, or sponges.
In metazoa,tissues are not organized into true tissues and are less comlex tissues .For ex Porifera .