ECOLOGY
ECOLOGICAL SUCCESSION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement is TRUE about forest fires?
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Forest fires are always bad for the ecosystem
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Forest fires can sometimes be beneficial for an ecosystem
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Forest fires always result in primary succession
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Explanation:
Detailed explanation-1: -Fire removes low-growing underbrush, cleans the forest floor of debris, opens it up to sunlight, and nourishes the soil. Reducing this competition for nutrients allows established trees to grow stronger and healthier. History teaches us that hundreds of years ago forests had fewer, yet larger, healthier trees.
Detailed explanation-2: -Frequent forest fires in the forests around the globe have been blamed for forest deterioration. It is true thatfrequent fires on large scales cause air pollution, affect quality of stream water, threaten biodiversity and spoil the aesthetics of an area, but fire plays an important role in forest ecosystem dynamics.
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