Classification of Phylum Porifera

Ostia and oscula

Diploblastic animals

Both by asexual and sexual methods

<p>Either fine flexible spongin fibres, siliceous spicules, or calcareous spicules</p> Signup and view all the answers

<p>Spongocoel</p> Signup and view all the answers

<p>They are absent in sponges</p> Signup and view all the answers

<p>Ostia and oscula</p> Signup and view all the answers

<p>Vase or cylinder-like, asymmetrical or radially symmetrical</p> Signup and view all the answers

<p>Fine flexible spongin fibres, siliceous spicules, or calcareous spicules</p> Signup and view all the answers

<p>Both by asexual and sexual methods</p> Signup and view all the answers

<p>Aquatic, mostly marine, except one family that lives in freshwater</p> Signup and view all the answers

<p>Outer ectoderm, inner endoderm, and intermediate layer of mesenchyme</p> Signup and view all the answers