A) Platypus, Penguin, Bat, Hippopotamus
B) Shrew, Bat, Cat, Kiwi
C) Kangaroo, Hedgehog, Dolphin, Loris
D) Lion, Bat, Whale, Ostrich
Correct Answer: C
Solution :
[c] Penguin, kiwi and ostrich all belong to class aves (i.e. birds) under phylum chordate and they do not give birth to their young ones. They are oviparous while kangaroo, hedgehog, dolphin and loris, all belong to class mammalia and are viviparous.
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