NEET Biology question
Observe the following table of invertebrate body-plan characteristics (where I to V represent major invertebrate phyla) and select the correct sequence corresponding to I, II, III, IV and V.
| Feature | I | II | III | IV | V | |---|---|---|---|---|---| | Germ layers | Cellular aggregate | Diploblastic | Triploblastic | Triploblastic | Triploblastic | | Gut | Absent | Blind sac (Incomplete) | Blind sac (Incomplete) | Complete (Tube-within-tube) | Complete (Segmented coelomate) | | Coelom | Acoelomate | Acoelomate | Acoelomate | Pseudocoelomate | Eucoelomate |
Solution
I (cellular aggregate, no gut) represents Porifera; II (diploblastic, blind-sac gut) represents Cnidaria; III (triploblastic, acoelomate, blind-sac gut) represents Platyhelminthes; IV
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