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Generation of lift with the help of fins, etc requires high energy, and found in ____?

Generation of lift with the help of fins, etc requires high energy, and found in ____?

پنکھوں وغیرہ کی مدد سے لفٹ بنانے کے لیے زیادہ توانائی کی ضرورت ہوتی ہے اور یہ ____ میں پایا جاتا ہے؟
Explanation
  • Pelagic swimmers generate lift using fins, requiring high energy to maintain buoyancy in open water.
  • These fish are adapted for continuous swimming in the pelagic zone.