A) multicellular with a gastrovascular system
B) multicellular having tissue organization, but no body cavity
C) unicellular or acellular
D) multicellular without any tissue organization
Correct Answer: D
Solution :
[d] Sycon belongs to phylum Porifera. The porifers are most primitive group of multicellular animals. They have no tissue grade of organisation, and represent cell aggregated body plan; hence, included in the subkingdom Parazoa.
You need to login to perform this action.
You will be redirected in
3 sec
