Multiple Choice
How has deforestation in Haiti most significantly altered the local climate?
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48. Ecology
Introduction to Ecology
Multiple Choice
Which of the following is most likely to cause the greatest disruption to an ecosystem?
A
Gradual soil erosion
B
Seasonal migration of native animals
C
Natural fluctuations in weather
D
Introduction of an invasive species
Verified step by step guidance1
Understand the concept of an ecosystem: An ecosystem is a community of living organisms interacting with their physical environment. It is balanced by the relationships between species and their surroundings.
Define invasive species: An invasive species is a non-native organism introduced to an ecosystem that can outcompete native species for resources, disrupt food chains, and alter the environment.
Compare the options: Gradual soil erosion, seasonal migration of native animals, and natural fluctuations in weather are natural processes that ecosystems have adapted to over time. These changes typically do not cause long-term disruptions.
Analyze the impact of invasive species: Unlike natural processes, invasive species can rapidly alter ecosystems by introducing competition, predation, or diseases that native species are not equipped to handle. This can lead to a loss of biodiversity and ecosystem collapse.
Conclude why invasive species cause the greatest disruption: The introduction of an invasive species is most likely to cause the greatest disruption because it introduces a foreign element that the ecosystem is not prepared to manage, leading to significant and often irreversible changes.
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