OCR•GCSE•Biology
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Community Level Systems
Ecosystems, biodiversity, and human impact
Practice 49 subtopics in Community Level Systems. All questions match the OCR GCSE specification.
About Community Level Systems
Community Level Systems is a key topic in the OCR GCSE Biologyspecification. This topic covers ecosystems, biodiversity, and human impact.
Master all 49 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (49)
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EcosystemsCommunitiesPopulationsHabitatsInterdependenceAbiotic factorsBiotic factorsCompetitionAdaptationsPAG: Sampling techniquesProducersConsumersPrimary consumersSecondary consumersTertiary consumersDecomposersFood chainsFood websTrophic levelsEnergy flowPyramids of biomassEnergy transfer efficiencyEnergy lossesCarbon cyclePhotosynthesis in carbon cycleRespiration in carbon cycleDecompositionCombustionWater cycleEvaporationTranspirationCondensationPrecipitationNitrogen cycleNitrogen-fixing bacteriaNitrifying bacteriaDenitrifying bacteriaDecomposersBiodiversityImportance of biodiversityHuman impactPollutionDeforestationGlobal warmingGreenhouse gasesConservationGene banksSeed banksCaptive breeding
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Start with Ecosystems