A) Unicellular or acellular
B) Multicellular without any tissue organization
C) Multicellular with a gastrovascular system
D) Multicellular having tissue organization, but no body cavity
Correct Answer: B
Solution :
Sponges show cellular grade of organization. They do not have tissue system. Sycon is a sponge.
You need to login to perform this action.
You will be redirected in
3 sec
