Which cells line the spongocoel and the canals of a sponge?
ACnidoblasts
BChoanocytes
CFlame cells
DNephridial cells
Answer & Solution
Correct answer: B. Choanocytes
Collar cells, or choanocytes, line the spongocoel and canals and drive the feeding current.
Related questions
The excretory organ of hemichordates is theBalanoglossus belongs to which phylum?The body of a hemichordate has an anterior proboscis, a collar and aEchinoderms live in which habitat?Which statement about excretion in echinoderms is correct?In an adult echinoderm the anus lies on theThe most distinctive feature of echinoderms is theAdult echinoderms show radial symmetry, but their larvae are