A) hormones
B) melanocytes :
C) nervous system
D) Both [a] and [c]
Correct Answer: A
Solution :
Metachrosis is the condition of changing in skin colour which protect frog from enemies. In lower animals like amphibians (frog), intermediate lobe of pituitary gland is well developed which secretes melanocyte stimulating hormones. This hormone is responsible for metachrosis in lower animals. So, different colours of frog skin are controlled by hormones from intermediate lobe of pituitary gland.You need to login to perform this action.
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