alleryWhich pair consists of birds despite their inability to fly?
APteropus and Macropus
BDelphinus and Balaenoptera
CTestudo and Chelone
DStruthio and Aptenodytes
Answer & Solution
Correct answer: D. Struthio and Aptenodytes
Struthio (ostrich) and Aptenodytes (penguin) are birds. Flight is not universal in Aves; feathers remain characteristic. The other pairs are mammals or reptiles.
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