Heitner440 Heitner440
  • 23-08-2015
  • Biology
contestada

Platyhelminthes have flame cells. What is their significance? A.They help in respiration.
b. They help in excretion.
c. They help in protection.

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hafsashukz
hafsashukz hafsashukz
  • 23-08-2015
they help in excretion
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