Question

Radial symmetry is advantageous for animals with :-

1) Ciliary mode of feeding

2) Aquatic mode of life

3) Benthos and Sedentary nature

4) Incomplete alimentary canal




Heavy offer :- Unexpected surprise for good answer ​

Answer 1

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1)A method of feeding used by lancelets and many other aquatic invertebrates. The movement of cilia causes a current of water to be drawn towards and through the animal, and microorganisms in the water are filtered out by the cilia. From: ciliary feeding in A Dictionary of Biology »

Answer 2

1)A method of feeding used by lancelets and many other aquatic invertebrates. The movement of cilia causes a current of water to be drawn towards and through the animal, and microorganisms in the water are filtered out by the cilia. From: ciliary feeding in A Dictionary of Biology »