Biology, asked by anjali739, 11 months ago

describe about the morphology of Frog​

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Answered by Prakshi1415
1

Answer:

Morphology of Frogs :

The skin of frog is smooth and slippery due to the presence of mucus. The skin is always maintained in a moist condition. The colour of dorsal side of body is generally olive green with dark irregular spots. On the ventral side the skin is uniformly pale yellow. The frog never drinks water but absorbs it through the skin.

Body of a frog is divisible into head and trunk. A neck and tail are absent. Above the mouth, a pair of nostrils is present. Eyes are bulged and covered by a nictitating membrane that protects them while in water. On either side of eyes a membranous tympanum receives sound signal. The forelimbs and hind limbs help in swimming, walking, leaping and borrowing. The hind limbs ends in five digits and they are larger and muscular than fore limbs that end in four digits. Feet have webbed digits that helps in swimming. Frogs exhibit sexual dimorphism. Male frogs can be distinguished by the presence of sound producing vocal sacs and also a Copulatory pad on the first digit of the fore limbs which are absent in female frogs.

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