Eggs and Sperm of Sponges are Commonly Formed From

Question

Eggs and sperm of sponges are commonly formed from
A)pinacocytes.
B)porocytes.
C)choanocytes.
D)spongiocytes.
E)sclerocytes.

Accepted Answer

Choanocytes, also known as collar cells, are responsible for both feeding and generating gametes in sponges. They have a flagellum surrounded by a collar of microvilli that create a current to capture food particles, and they also develop into eggs and sperm during reproduction.

Therefore, the best choice is C, choanocytes.