Question

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

Answer 1

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

Answer 2

C .

Answer 3

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

Answer 4

Ooh , B .

Answer 5

Got it ?

Answer 6

yep !