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Question
Which phylum has blind body sac plan with radial symmetry ?
Which phylum has blind body sac plan with radial symmetry ?
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Solution
The correct option is B Cnidaria
- Blind sac plan refers to body plan in which animals have a single pore opening to the exterior in their digestive system.
- In such animals, food is ingested and the undigested food excreted out of the body through a common pore.
- Cnidarians have a body plan which is sac-like with a central digestive compartment, the gastrovascular cavity and show radial symmetry.
- So, the correct answer is Cnidaria.
- Blind sac plan refers to body plan in which animals have a single pore opening to the exterior in their digestive system.
- In such animals, food is ingested and the undigested food excreted out of the body through a common pore.
- Cnidarians have a body plan which is sac-like with a central digestive compartment, the gastrovascular cavity and show radial symmetry.
- So, the correct answer is Cnidaria.
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