Multiple Choice
What is the most likely consequence for an ecosystem experiencing a prolonged drought?
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48. Ecology
Introduction to Ecology
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Which human activity most directly leads to deforestation and increased soil erosion?
A
Implementing crop rotation
B
Establishing wildlife reserves
C
Planting native tree species
D
Clear-cutting forests for agriculture
Verified step by step guidance1
Understand the concept of deforestation: Deforestation refers to the removal of large areas of forest, often to make way for agricultural activities, urban development, or other human uses. This process can lead to environmental consequences such as soil erosion, loss of biodiversity, and disruption of ecosystems.
Recognize the role of clear-cutting: Clear-cutting is a method of logging or land clearing where all trees in a specific area are removed. This practice is often used to prepare land for agriculture or other human activities, and it directly contributes to deforestation.
Connect deforestation to soil erosion: When forests are removed, the protective tree cover that stabilizes soil and prevents erosion is lost. Without roots to hold the soil in place, wind and water can easily carry away topsoil, leading to increased soil erosion.
Evaluate the other options: Implementing crop rotation, establishing wildlife reserves, and planting native tree species are activities that generally aim to preserve or improve the environment. These do not directly lead to deforestation or soil erosion, unlike clear-cutting.
Conclude that clear-cutting forests for agriculture is the human activity most directly responsible for deforestation and increased soil erosion, as it involves the removal of trees and disrupts the natural stability of the soil.
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