Unit 3: Biodiversity, Conservation and Change

Topic 3.4: Conservation Strategies Questions

Practice 20 exam-style questions for IB ESS Topic 3.4. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.

1suggest2 marks
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A protected area reduces logging and land clearing. Suggest one additional benefit for biodiversity besides increased forest cover.
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2suggest2 marks
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A forest reserve exists on paper, but illegal logging continues because there are no patrols. Suggest one reason why the protected area is not effective.
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3define2 marks
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Define the term protected area.
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4outline1 mark
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Outline one ecosystem service that a forest provides which could be supported by a PES scheme.
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5identify1 mark
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A ranger team uses satellite images to detect new clearings in a protected area and responds quickly. Identify the type of action this represents.
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6suggest2 marks
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A farmer plans to clear forest for cattle ranching, but a PES programme offers annual payments if the forest is kept standing. Suggest one reason this could reduce deforestation.
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7state1 mark
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State one ecosystem service provided by forests that could justify a PES scheme.
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8identify1 mark
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A timber company wants to sell wood to high-value international markets but must meet sustainability standards to do so. Identify the conservation tool being used.
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9define2 marks
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Define the term Payment for Ecosystem Services (PES).
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10explain4 marks
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A national park develops guided wildlife tours and hires local residents as rangers and guides. Explain how ecotourism can help conserve forests.
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11describe6 marks
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Table 2 shows annual forest loss in two districts. District X introduced PES in year 2 and expanded ecotourism jobs in year 3. District Y did not.
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12suggest2 marks
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A protected area has clear rules, but local people still clear land because they do not know the boundaries. Suggest one way management could improve effectiveness.
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13suggest2 marks
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A PES programme pays only large landowners, while small farmers receive nothing and continue clearing to survive. Suggest one way to improve the fairness and effectiveness of the programme.
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14suggest3 marks
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In a mountainous region, wild wolves have returned following conservation measures that limit hunting. Many sheep farmers graze their flocks on open upland pastures during the summer months, and some farmers are concerned about livestock losses caused by wolf predation.
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15outline2 marks
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Outline how ecotourism can support biodiversity conservation.
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16state1 mark
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State what an environmental 'certification' label aims to show.
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17explain4 marks
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A country introduces a deforestation ban in key watersheds and sets large fines for illegal clearing. Explain how laws and penalties could increase forest cover.
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18describe6 marks
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Table 1 shows forest cover in two regions over eight years. Region A created a protected area and increased enforcement in year 2. Region B did not.
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19suggest2 marks
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A remote rainforest area becomes popular with tourists. Suggest one potential disadvantage of ecotourism if it is poorly managed.
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20explain4 marks
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Explain how certification schemes could reduce deforestation over time.
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