Question
List the salient features of Phylum Porifera of Animal Kingdom?
Solution
(1) Phylum Porifera
Main Features:
i. They have pores all over their body.
ii. The are non motile and attached to some solid support.
iii. Animals of this phylum are known as sponges. They have a characteristic canal system for water passage not found in any other kind of animals.
iv. Their skeleton is made up of calcareous or siliceous spicules or spongin fibres.
v Reproduction is both asexual by budding and gemules and sexual reproduction through fertilization.
vi. Body has very minimum differentiation and division into tissues.
Examples. Sycon, Spongilla and Euplectella.
