Q 1. How do poriferan animals differ from coelenterate animals?
The differences between poriferan and coelenterate animals are:
|1.||These organisms have holes(pores) over their bodies.||With a single opening, these organisms have a body with a cavity called 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 like - 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.|