Question

13. The most sensetive part of a sponge is
(d) all of these
(a) Spongocoel
(b) Pinacoderm
(c) Osculum
(d) Thesocytes​

Answer 1

Answer:

d

Explanation:

Because for food trapping and for protection thecocyst will help the sponge so it has to be very sensitive

That's why I selected d