Exam-style practice

Global challenges MCQ drill

Practise quick multiple-choice drill questions for Global challenges. Aligned to OCR Gcse Biology A Gateway.

268

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Drill

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Global

Topic

MCQ Drill

Question 261 of 268

Choose an answer, get feedback, then move sideways through the set.

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Higher: A species of freshwater fish is observed to be declining rapidly in a particular lake. Scientists hypothesise that changes in atmospheric gases are contributing to this decline. Which of the following pieces of evidence would most strongly support the idea that increased atmospheric carbon dioxide is the primary cause?

Global challenges mcq | OCR GCSE Biology A Gateway | ExamCompanion