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