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प्रश्न
Which one of the following groups faces maximum threat of extinction?
विकल्प
Gymnosperm
Birds
Amphibian
Mammals
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उत्तर
Amphibian
Explanation: Amphibians lay their eggs in water, that too without shell. So they are more prone to predators, hence, their species survival is more difficult than the birds, mammals or gymnosperms.
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