CB9 Ecosystems and material cycles-SPECIFICATION

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9.1 Describe the different levels of organisation from individual organisms, populations, communities, to the whole ecosystem

9.2 Explain how communities can be affected by abiotic and biotic factors, including: 

a temperature, light, water, pollutants

 b competition, predation

9.3 Describe the importance of interdependence in a community

9.4 Describe how the survival of some organisms is dependent on other species, including parasitism and mutualism

9.5 Core Practical: Investigate the relationship between organisms and their environment using field-work techniques, including quadrats and belt transects

9.6 Explain how to determine the…

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