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Radial symmetry is often exhibited by animals which:

  1. A
    Are aquatic
  2. B
    Are ciliary feeders
  3. C
    Are attached to the substratum (sedentary)
  4. D
    Have a one-way digestive system

Solution & Step-by-step Explanation

Radial symmetry is advantageous for sessile or sedentary animals (like Hydra or Sea Anemone) because it allows them to perceive and respond to stimuli or capture food from all directions in their environment.

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Radial symmetry is often exhibited by animals which:
A
Are aquatic
B
Are ciliary feeders
C
Are attached to the substratum (sedentary)
D
Have a one-way digestive system

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