Ecology
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Topic Ecology: Combined Science Checklist
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4.7.1 Adaptations, interdependence and competition Recall what an ecosystem is
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Describe which resources animals and plants compete for, and why they do this
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Explain the terms 'interdependence' and 'stable community'
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Name some abiotic and biotic factors that affect communities
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Explain how a change in an abiotic or biotic factor might affect a community
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Describe structural, behavioural and functional adaptations of organisms
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Describe what an extremophile is
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4.7.2 Organisation of an ecosystem Represent the feeding relationships within a community using a food chain and describe these relationships
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Explain how and why ecologists use quadrats and transects
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Describe and interpret predator-prey cycles
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Required practical 7: measure the population size of a common species in a habitat. Use sampling to investigate the effect of one factor on distribution
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Describe the processes involved in the carbon cycle
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Describe the processes involved in the water cycle
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4.7.3 Biodiversity and the effect of human interaction on ecosystems Describe what biodiversity is, why it is important, and how human activities affect it
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Describe the impact of human population growth and increased living standards on resource use and waste production
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Explain how pollution can occur, and the impacts of pollution
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Describe how humans reduce the amount of land available for other animals and plants
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Explain the consequences of peat bog destruction
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Describe what deforestation is and why it has occurred in tropical areas
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Explain the consequences of deforestation
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Describe how the composition of the atmosphere is changing, and the impact of this on global warming
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Describe some biological consequences of global warming
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Describe both positive and negative human interactions in an ecosystem and explain their impact on biodiversity
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Describe programmes that aim to reduce the negative effects of humans on ecosystems and biodiversity
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