What is extinction?
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Extinction refers to the complete loss or elimination of a species from the Earth. It occurs when there are no surviving individuals of a particular species, causing it to cease to exist. Extinction can be a natural process, where species disappear due to changes in the environment or the emergence of new species. However, human activities also play a significant role in causing extinctions, through habitat destruction, pollution, overhunting, climate change, and introduction of invasive species. Extinction can have detrimental effects on ecosystems and biodiversity, as it disrupts the intricate web of interactions among different species.