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Biology 17 Online
OpenStudy (anonymous):

In which phylum do we first see tissue-level organization? A) Polifera B) Cnidaria C) Nematoda

OpenStudy (abhisar):

Porifera consists of sponges, they have cellular level of organisation. So A is incorrect. Now can u guess from B & C ?

OpenStudy (anonymous):

C .

OpenStudy (abhisar):

Nematoda or round worms do have tissue level of organisation but they are not the first one. Cnidaria is first phylum in which we see tissue level of organisation

OpenStudy (anonymous):

Ooh , B .

OpenStudy (abhisar):

Got it ?

OpenStudy (abhisar):

yep !

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