Question

differences between parazoa, 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.

Answer 2

Metazoa comprised of all the animals, made up of cells that form tissues and organs and organs systems, and also have a digestive cavity as well. It contains all the multicellular organisms.

It is further classified into 2 types:

- Parazoa- It contains all the organisms of the phyla porifera and placoza.

- Eumetazoa- it contains all the organisms which are made up of cells, tissues and organ system i.e. from cnidaria to chordates.