Multiple Choice
Deforestation can result in an increase in which of the following?
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48. Ecology
Introduction to Ecology
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Which of the following best describes ecological succession?
A
The interaction between different species competing for the same resources in an ecosystem.
B
The movement of organisms from one habitat to another in response to environmental changes.
C
The process by which energy flows from producers to consumers in a food web.
D
The gradual process by which ecosystems change and develop over time, often following a disturbance.
Verified step by step guidance1
Understand the concept of ecological succession: It refers to the gradual and natural process by which ecosystems change and develop over time, often following a disturbance such as a fire, flood, or human activity.
Differentiate ecological succession from other ecological processes: It is not about competition for resources, movement of organisms, or energy flow in a food web. Instead, it focuses on the progressive changes in species composition and ecosystem structure.
Recognize the two main types of ecological succession: Primary succession occurs in areas where no previous ecosystem existed (e.g., bare rock after a volcanic eruption), while secondary succession happens in areas where an ecosystem previously existed but was disturbed (e.g., after a forest fire).
Identify the stages of ecological succession: Succession typically begins with pioneer species (e.g., lichens and mosses) that colonize the area, followed by intermediate species (e.g., grasses and shrubs), and eventually leads to a stable climax community (e.g., mature forests).
Apply this understanding to the problem: The correct answer is the gradual process by which ecosystems change and develop over time, often following a disturbance, as this definition aligns with the concept of ecological succession.
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