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A-LevelBiologyBiodiversity and conservationOct/Nov 2020Paper 5 Q210 Marks

Biodiversity is important in maintaining the stability of an ecosystem. Biodiversity can be reduced by the introduction of new species to an ecosystem. The red quinine tree, Cinchona pubescens, was introduced to the Galapagos Islands in the 1940s. By 2010, it had covered 110 000 hectares of Santa Cruz, one of the larger Galapagos islands.

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The correct answer is . This question tests the candidate's understanding of biodiversity and conservation within the Biologysyllabus. The examiner's mark scheme requires...

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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

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About This A-Level Biology Question

This structured question appeared in the Cambridge A-Level Biology (9700) Oct/Nov 2020 examination, Paper 5 Variant 1. It tests the topic of Biodiversity and conservation and is worth 10 marks.

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