Q 1. How do poriferan animals differ from coelenterate animals?
The differences between poriferan and coelenterate animals are:
S.No. | Poriferan | Coelenterate |
1. | These organisms have holes(pores) over their bodies. | With a single opening, these organisms have a body with a cavity called a coelenteron. |
2. | The body design involves very minimal differentiation and division into tissues. | They show more body design differentiation. |
3. | Made up of a single layer of cells. | The body is made up of two layers of cells. |
4. | They are non-motile and attached to some solid support. | Some live in colonies(corals) while some have a solitary - span (Hydra). |
5. | They have a characteristic canal system to helps to circulate water through the body to bring in food and oxygen. | They have a cavity in their body. |