Give the differences between a male frog and a female frog.

(N/A) The differences between a male frog and a female frog are as follows:
$1$. Vocal sacs: Male frogs possess a pair of vocal sacs,which are absent in female frogs.
$2$. Copulatory pad: Male frogs have a copulatory pad (nuptial pad) on the first digit of each forelimb,which is absent in female frogs.
$3$. Size: Generally,male frogs are smaller in size compared to female frogs.
$4$. Sound: Male frogs can produce a croaking sound using their vocal sacs to attract females during the breeding season,whereas females do not produce such sounds.