Physics · Animal Kingdom
The complex canal system in sponges (Porifera) develops primarily due to the:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Porous nature of outer walls
- 2Gastrointestinal differentiation
- 3Reproductive tract formation
- 4Folding of the inner body wall✓
Correct answer
Folding of the inner body wall
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