plumiEcosystems and their factors: OCR A‑Level Biology A questions
OCR A-Level Biology A past-paper questions on 6.3.1.1 Ecosystems and their factors, 2016–2025, with mark schemes and examiner’s reports where available.
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All 4 questions on Ecosystems and their factors, as a list
- November 2020, Paper 2, Q15 (1 mark): Ash trees are common throughout the UK. They often grow in dense woodland. Which of the following, A to D, is an abiotic factor that is likely to affect the gro
- November 2020, Paper 2, Q21(a)(ii) (2 marks): The river in which the study was conducted is described as a dynamic ecosystem. Use Fig. 21.1 to explain why this ecosystem could be described as dynamic. [2]
- June 2019, Paper 2, Q2 (1 mark): A teacher wrote: “A garden pond is a dynamic environment that is home to a variety of organisms. The temperature of the pond varies depending on the weather and
- June 2018, Paper 2, Q15 (1 mark): Which of the following statements about ecosystems is not true? A An ecosystem is affected by biotic and abiotic factors. B An ecosystem is all of the organisms
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