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प्रश्न
What major survival advantage did thick-shelled eggs provide to reptiles?
पर्याय
They allowed reproduction away from water
They enabled flight
They protected against climatic changes
They increased the speed of vertebrate evolution
MCQ
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उत्तर
Reptiles evolved after amphibians and became better adapted to life on land. Their thick-shelled eggs allowed reproduction away from water, giving them a major survival advantage over amphibians that still needed to return to water for reproduction.
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