Which among the following have scales?(i) Amp | vedclass

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(B) The presence of scales is a characteristic feature of certain vertebrate classes.$(i)$ Amphibians: Their skin is moist and lacks scales.$(ii)$ Pis

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$(ii)$ and $(iii)$

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(B) The presence of scales is a characteristic feature of certain vertebrate classes.$(i)$ Amphibians: Their skin is moist and lacks scales.$(ii)$ Pisces (Fishes): Most fishes have an exoskeleton of scales.$(iii)$ Reptiles: Their skin is dry and covered with scales.$(iv)$ Mammals: Their skin is covered with hair,not scales.Therefore,both Pisces and Reptiles possess scales. The correct option is $(ii)$ and $(iii)$.

Which among the following have scales?
$(i)$ Amphibians
$(ii)$ Pisces
$(iii)$ Reptiles
$(iv)$ Mammals

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Which among the following have scales?$(i)$ Amphibians$(ii)$ Pisces$(iii)$ Reptiles$(iv)$ Mammals