Multiple Choice
Which term best describes a major disturbance that causes an ecosystem to stabilize at a new equilibrium?
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48. Ecology
Introduction to Ecology
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Which of the following best describes how humans have impacted rainforests through activities such as mining, agriculture, and construction?
A
They have increased the natural regeneration of native plant species.
B
They have reduced soil erosion and improved water quality.
C
They have led to deforestation and loss of biodiversity.
D
They have promoted the expansion of undisturbed habitats.
Verified step by step guidance1
Understand the key terms in the question: 'deforestation,' 'biodiversity,' and 'human activities' such as mining, agriculture, and construction. Deforestation refers to the removal of large areas of forest, while biodiversity refers to the variety of life in a particular habitat or ecosystem.
Analyze the impact of mining: Mining often involves clearing large areas of forest to access mineral resources. This leads to habitat destruction, soil erosion, and pollution, which negatively affect biodiversity.
Examine the impact of agriculture: Agricultural activities, such as slash-and-burn farming or large-scale plantations, require clearing forests. This reduces the number of native plant and animal species, leading to a loss of biodiversity.
Consider the impact of construction: Construction projects, such as building roads, dams, or urban areas, often involve deforestation. This disrupts ecosystems, fragments habitats, and further reduces biodiversity.
Conclude that the combined effects of these activities—mining, agriculture, and construction—have led to deforestation and a significant loss of biodiversity, making this the correct answer to the question.
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