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प्रश्न
Which of the following is an example of a reptile that returned to the water about 200 mya?
पर्याय
Ichthyosaurs
Tyrannosaurus rex
Birds
Amphibians
MCQ
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उत्तर
About 200 mya, some reptiles returned to the water; Ichthyosaurs are often cited as examples. This represents a secondary adaptation to aquatic life, demonstrating the evolutionary flexibility of reptilian lineages during the Mesozoic era.
shaalaa.com
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