Porifera

Phylum · Sponges · Animalia › Porifera · NCERT Chapter 4: Animal Kingdom

Key features

Pores (ostia) and a water canal system; collar cells (choanocytes) line the cavities; body supported by spicules or spongin fibres.

NCERT examples of Porifera (3)

SyconScypha, a spongePorifera
SpongillaFreshwater spongePorifera
EuspongiaBath spongePorifera
Test yourself on these in TaxaTen NCERT examples a day, free.