A) In colder regions many birds and mammals develop a special horn on their body.
B) In birds heavy weight and special shape of the feathers help them fly.
C) The function of a frog's skin is to regulate the transfer of moisture and fluids.
D) Fish scale do not serve any protection against physical harm.
Correct Answer: C
Solution :
The function of a frog's skin is to regulate the transfer of moisture and fluids.
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