Qaysi xordalilarda ontogenez jarayonida xorda saqlanib qoladi?
1)akula; 2)lantsetnik; 3)baqa; 4)sazan.

  1. 1,2
  2. 2,3
  3. 3,4
  4. 1,4
  5. 2,4
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Question 869 of 1216
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