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प्रश्न
Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
विकल्प
reptiles have evolved from birds
there is no evolutionary connection between reptiles and birds
feathers are homologous structures in both the organisms
birds have evolved from reptiles
उत्तर
birds have evolved from reptiles
Explanation -
Dinosaurs were reptiles. The possible explanation for the given information that some dinosaurs had feathers but they could not fly and birds have feathers that help them fly, is that feathers in dinosaurs start as providing insulation in cold weather and later they become useful for flight in birds. So, in the context of evolution, this means that birds have evolved from reptiles.
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