Question

Classify phylum porifera upto order with salieny fetures and suitale example

Answer 1

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∆ Phylum : Porifera ∆

√ it bears numerous pores on its body called ostia and ossicula

√ it has special type of cell- collar cells

√ it is a good ability of regeneration

√ it is always attached to substratum and hence do not show locomotion

√ its body supported by spicules aur spongin fibres

$¥ ex. Bathsponge sycon