Question

Three features of each of amphibians retails,annielida and mammals

Answer 1

amphibians 1. two pairs of joint appendages
2 .exoskeleton is absent.. 3.aquatic during larval stage
annelida 1.body of these animal is long cylindrical and metamerically segmented
2. they have setae or patapodia or sicker for locomotion. 3.the are hermaphrodite or unisexual
mammals 1.contains mammary glands 2.they are warm blooded 3.exoskeleton is in the form of hair or fur

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