Which animals are often sessile or planktonic (drifting or weakly swimming)?

کون سے جانور اکثر سیسل یا پلانکٹونک ہوتے ہیں (بہتے یا کمزور تیراکی)؟
  • Answer: Radial
Explanation
  • Radial animals are often sessile (attached to a surface) or planktonic (drifting or weak swimmers).
  • Their symmetry allows them to interact with the environment equally from all sides.
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