Unit 3: Biodiversity, Conservation and Change

Topic 3.5: Protected Areas, Corridors Questions

Practice 20 exam-style questions for IB ESS Topic 3.5. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.

1identify1 mark
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Two small nature reserves are separated by a busy highway. A “green bridge” is built so animals can cross safely. Identify the conservation strategy represented by the green bridge.
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2define2 marks
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Define the term environmental perspective.
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3identify1 mark
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Identify one reason why people support conservation.
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4outline2 marks
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Outline one aesthetic reason for protecting biodiversity.
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5outline2 marks
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Outline two roles played by governments in biodiversity conservation.
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6identify1 mark
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A conservation project focuses on tourism and income generation. Identify the environmental perspective most closely associated with this approach.
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7define2 marks
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Define the term rewilding.
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8identify1 mark
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An abandoned sheep farm is left unmanaged and native shrubs and trees begin to regrow. Identify the conservation approach being used.
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9outline2 marks
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A wetland has been drained for decades. A project blocks drainage channels and allows water to return, and native reeds reappear. Outline two aims of rewilding shown in this example.
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10explain3 marks
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Explain how an ecocentric perspective influences conservation strategies.
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11outline4 marks
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Outline how “flagship species” can be used as a strategy to protect biodiversity.
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12explain4 marks
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A park reintroduces a predator that had disappeared. Over time, grazing animals spend less time in river valleys and more young trees survive. Explain how bringing back a key animal can change the whole ecosystem.
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13explain3 marks
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Explain the difference between instrumental and intrinsic value of nature.
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14identify1 mark
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Identify one potential conflict that may occur when large predators are reintroduced.
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15explain3 marks
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Explain why global cooperation is important for biodiversity conservation.
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16outline3 marks
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Outline three design features of protected areas that increase their effectiveness for conserving biodiversity.
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17suggest2 marks
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A wildlife corridor is narrow and runs along farmland. Suggest one reason why it might be less effective than expected.
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18describe6 marks
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Table 1 shows the number of animal roadkills per month before and after a green bridge was built between two reserves.
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19suggest2 marks
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Suggest why conflicts may arise between different conservation stakeholders.
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20suggest3 marks
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Beavers are reintroduced to a river catchment and build dams that create ponds. Suggest two ways this could increase biodiversity.
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