NEET 2003 Biology question

Sycon belongs to a group of animals, which are best described as : -

(1)Unicellular or acellular
(2)Multicellular without any tissue organizationCorrect
(3)Multicellular with a gastrovascular system
(4)Multicellular having tissue organization, but no body cavity

Answer: (2)

Solution

Sycon (Scypha) is a sponge, phylum Porifera. Sponges are multicellular animals of the cellular grade of organisation - cells are loosely arranged and there is no true tissue organisation - option (2). They are

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Question ID VK-089267