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A drastic reduction in population size due to environmental events is calledपर्यावरणीय घटनाओं के कारण जनसंख्या के आकार में भारी कमी को कहा जाता है

Bottleneck effect
बॉटलनेक प्रभाव (Bottleneck effect)
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This question belongs to the set "100 Questions on Ecology and Evolution | Biology One Liners". Click below to read detailed notes and attempt the full quiz.

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