Question

Oth
(4) Sub: Science & Techcnology -
8) Complete the paragraph by using the suitable words given in the bracket.
(neck, lungs, skin, exoskeleton, amphibian, Metamorphose, aquatic, gills )
no Class Amphibia consist of animals which are strictly ....... only during their larval
stages. At that time they breathe through their ....... Tadpoles are such stages which
later....... to form adult frog. Adult frog respires with the help of ..... when in water
and with.......when on land. Thus, it is a true ........ for performing cutaneous
respiration, i.e. respiration through skin, they lack ......... in any form. The skin is
also kept moist by staying near the water bodies. Amphibians do not have a ........
but eyes are bulging and prominent, this solves the problems of vision.​

Answer 1

Explanation:

Class Amphibia consist of animals which are strictly aquatic only during their larval stages. At that time they breathe through their gills. Tadpoles are such stages which later metamorphose to form adult frog. Adult frog respires with the help of skin when in water and with lungs when on land. Thus, it is a true amphibian. For performing cutaneous respiration, i.e. respiration through skin, they lack exoskeleton in any form. The skin is also kept moist by staying near the water bodies. Amphibians do not have a neck but eyes are bulging and prominent, this solves the problems of vision.

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