12 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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Human Population Carrying Capacity (DP IB Environmental Systems & Societies (ESS): SL)
Exam Questions
35 mins10 questions22 marks
Briefly outline what might happen if a population exceeds its carrying capacity.
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32 marks
Distinguish between a carbon footprint and an ecological footprint.
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41 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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14 marks
Explain the concept of an ecological footprint and its significance in assessing human population impacts.
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23 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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34 marks
Explain why estimating carrying capacity is problematic for human populations and how it differs from other species.
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43 marks
Distinguish between the terms ecological footprint and carrying capacity of a human population and describe the relationship between them.
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17 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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27 marks
Evaluate the use of ecological footprints as models for measuring sustainability.
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