A) Hydra
B) Planaria
C) Sycon
D) Obelia
Correct Answer: C
Solution :
Spicule is a small or needle-like structure or part, such as one of the silicate or calcium carbonate processes supporting the soft tissue of certain invertebrates, especially sponges (Sycon ciliatum).
You need to login to perform this action.
You will be redirected in
3 sec
