Answers

2015-01-29T19:10:52+05:30
Amphibians possess soft skin............Reptiles posses tough skin coated by keratin..........AvesĀ  posses feathers on their body..........Mammals posses skin covered with hair........

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2015-01-30T14:34:47+05:30
Amphibians -soft skin
reptiles-tough skin
aves-feathers
mammalia-soft skin covered with hair
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