Mention any three major differences between Porifera and Coelenterata.
(N/A)
| Porifera | Coelenterata |
|---|---|
| $(i)$ They exhibit cellular level of organization. | $(i)$ They exhibit tissue level of organization. |
| $(ii)$ Their body is diploblastic or lacks true tissue layers. | $(ii)$ Their body is distinctly diploblastic with two layers of cells. |
| $(iii)$ They possess numerous pores (ostia) all over the body for water circulation. | $(iii)$ They do not have pores all over the body; instead,they have a single opening called the hypostome. |
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