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AQA GCSE Combined Science 4.7 Ecology – Learn Guide

Course Content

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1.1 From individuals to ecosystems

1.2 Competition and interdependence

1.3 Practice: Communities and interdependence

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2.1 Abiotic factors

2.2 Biotic factors

2.3 Practice: Abiotic and biotic factors

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3.1 Types of adaptation

3.2 Extremophiles

3.3 Practice: Adaptations

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4.1 Food chains

4.2 Predator–prey cycles

4.3 Practice: Food chains and predator–prey cycles

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5.1 Quadrats and population size

5.2 Transects and required practical 7

5.3 Practice: Sampling with quadrats and transects

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6.1 The carbon cycle

6.2 Decomposers and the water cycle

6.3 Practice: How materials are cycled

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7.1 Biodiversity

7.2 Waste and land use

7.3 Practice: Biodiversity, waste and land use

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8.1 Deforestation and global warming

8.2 Maintaining biodiversity

8.3 Practice: Deforestation, global warming and maintaining biodiversity

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9.1 Mixed retrieval

9.2 Exam practice