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Ecosystems (AQA GCSE Geography) (2022/2023) Rated A+

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Ecosystems (AQA GCSE Geography) (2022/2023) Rated A+ biotic living parts of an ecosystem abiotic non-living parts of an ecosystem biome global-scale ecosystem producer plant that creates food via photosynthesis consumer creatures that consume plants or other creatures herbivore plant-eating creature carnivore animals that feed on other animals food chain a diagram that shows one way in which energy is passed from producer to its consumers food web a complex diagram showing all the ways in which energy is transferred from producers to consumers biomass the total quantity of organisms in an area decomposer a creature that breaks down dead organic matter, so that its nutrients can be absorbed by soil trophic level a stage within a food chain. Energy is lost between each stage. nutrients chemicals which are important for life. They are recycled within an ecosystem habitat where plants and animals live. biodiversity the number of different species in an ecosystem. ecosystem plants, animals and their surrounding physical environment. interrelationships the physical and chemical links between different parts of an ecosystem humus the organic part of soils (e.g. rotten leaves, worms) economic development creating new ways to make money (from deserts, forests) adaptations the means by which plants/roots are able to cope with the climate and soils (e.g. drip tips to cope with heavy rain) distribution the way something is spread out on a map (e.g. mostly in the south or evenly spread)

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