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The most important reason for declining biological diversity is (a) air pollution (b) introduction of foreign (invasive) species (c) habitat destruction and fragmentation (d) illegal commercial hunting (e) commercial harvesting
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Biological diversity, or biodiversity, refers to the variety of life on Earth, including the variety within and between species and within and between ecosystems. Show more…
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13. The most important reason for declining biological diversity is__________________. A. Illegal hunting B. Habitat destruction C. Air pollution D. Introduction of foreign species.
What is the single greatest threat to biodiversity? a. over-harvesting of commercially important species b. habitat alteration, fragmentation, and destruction c. introduced species that compete with native species d. pollution of Earth's air, water, and soil
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