Multiple Choice
Which of the following best describes the role of a primary consumer in a food web?
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48. Ecology
Introduction to Ecology
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Which of the following statements describes a recurring theme about today's ecological environment?
A
Ecological processes operate independently of human influence.
B
Species diversity is increasing rapidly in most habitats.
C
Human activities are significantly altering natural ecosystems worldwide.
D
Ecosystems are unaffected by changes in climate and land use.
Verified step by step guidance1
Understand the context of the question: The problem is asking about a recurring theme in today's ecological environment, focusing on the impact of human activities and other factors on ecosystems.
Analyze each statement provided: Evaluate whether each statement aligns with current scientific understanding of ecological processes and human influence.
Statement 1: 'Ecological processes operate independently of human influence.' This is incorrect because human activities, such as deforestation, pollution, and climate change, significantly impact ecological processes.
Statement 2: 'Species diversity is increasing rapidly in most habitats.' This is incorrect because species diversity is generally declining due to habitat destruction, overexploitation, and other human-induced factors.
Statement 3: 'Human activities are significantly altering natural ecosystems worldwide.' This is correct because extensive scientific evidence shows that human actions are causing widespread changes in ecosystems, including climate change, habitat loss, and pollution.
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