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प्रश्न
Which animal was very conspicuously visible on the tree trunks after the industrial revolution (1845) in Great Britain?
पर्याय
Bonellia viridis
Biston betularia
Drosophila melanogaster
Biston carbonaria
MCQ
उत्तर
Biston betularia
Explanation:
Darwin studied the Biston bitulria (Black pepper moth) seen on tree trunks of England forests (1845) showing two varieties. Natural selection plays an important role in evolution.
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