Sycon belongs to a group of animals, which are best described as (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.
Option B Sycon, belonging to the Phylum Porifera, are multicellular organisms with cellular level of body organisation. The constituent cells perform their functions more or less independently. No distinct tissue or organs are present in it.
