A) Destruction of natural habitat
B) Biosphere reserves and increasing pollution
C) Vulnerable ecosystems like mangroves and wetlands
D) Inaccessibility of habitats
Correct Answer: A
Solution :[a] Habitat destruction is the process by which natural habitat is damaged or destroyed to such an extent that it no longer is capable of supporting the species and ecological communities that naturally occur there. It often results in the extinction of species and, as a result, the loss of biodiversity. Habitat can be destroyed directly by many human activities, most of which involve the clearing of land for other uses such as agriculture, mining, logging, hydroelectric dams and urbanization. Habitat can also be destroyed indirectly by human activities such as pollution, fragmentation, climate change and the introduction of invasive species. Although much habitat destruction can be attributed to human activity, it is not an exclusively man-made phenomenon. Habitat loss also occurs as a result of natural events such as floods, volcanic eruptions, earthquakes, and climate fluctuations.
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