1
2 marks
Complete the following sentence:
The maximum stable __________ size of a species that a given __________ can support is known as the carrying capacity.
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Syllabus Edition
First teaching 2015
Last exams 2025
Human Population Carrying Capacity (DP IB Environmental Systems & Societies (ESS): SL): Exam Questions
35 mins10 questions
2
2 marks
Briefly outline what might happen if a population exceeds its carrying capacity.
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3
2 marks
Distinguish between a carbon footprint and an ecological footprint.
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4
1 mark
The degradation of the environment and the consumption of finite resources have significant implications for human population growth.
Explain the meaning of the term finite resources in this context.
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1
4 marks
Explain the concept of an ecological footprint and its significance in assessing human population impacts.
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2
3 marks
Differences in the efficiency of the food production systems used will affect the ecological footprint of a country.
Other than food production, identify three factors that may affect the size of a country’s ecological footprint and state the influence each has.
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3
4 marks
Explain why estimating carrying capacity is problematic for human populations and how it differs from other species.
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4
3 marks
Distinguish between the terms ecological footprint and carrying capacity of a human population and describe the relationship between them.
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1
7 marks
Explain how global warming may increase the carrying capacity of human populations in some parts of the world but decrease the carrying capacity in other areas.
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2
7 marks
Evaluate the use of ecological footprints as models for measuring sustainability.
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