Ecosystem definitons 0.0 / 5 ? GeographyEcosystemsGCSEEdexcel Created by: Aminah ChaudryCreated on: 15-07-18 15:07 A community of plants and animals that interact with each other and their physical environment Ecosystem 1 of 36 Living components of an ecosystem Biotic 2 of 36 Non-living components of an ecosystem Abiotic 3 of 36 An organism that uses energy from sunlight to produce food Producers 4 of 36 An organism that gets energy from eating other organisms such as producers Consumers 5 of 36 An organism that breaks down plant and animal material and returns nutrients to the soil Decomposers 6 of 36 A simple line diagram to show direct links between producers and consumers in an ecosystem Food Chain 7 of 36 A diagram that shows all the connections between producers and consumers in a complex way Food Web 8 of 36 A large scale, global ecosystem Biome 9 of 36 Trees which shed their leaves in winter Deciduous trees 10 of 36 Trees which retain their leaves all year round Coniferous trees 11 of 36 The ongoing recycling of nutrients between living organisms and their environment Nutrient cycling 12 of 36 When heavy rainfall dissolves and carries nutrients out of soil Leaching 13 of 36 The variety of life in the world or a particular ecosystem Biodiversity 14 of 36 The cutting down and removal of forest Deforestation 15 of 36 Sustainable forestry management where only carefully selected trees are cut down Selective logging 16 of 36 Small scale farming where you are farming just to provide for your family or community Subsistence farming 17 of 36 Large scale farming where you are farming to sell products and make money Commercial farming 18 of 36 The removal of top soil by natural, animal and human activity Soil erosion 19 of 36 Actions that meet the needs of the present without reducing the ability of future generations to meet their own needs Sustainability 20 of 36 Nature tourism usually involving small groups with minimal impact on the environment Ecotourism 21 of 36 The environment that plants and animals live in Habitat 22 of 36 The way in which something is spread out and located across the whole world Global distribution 23 of 36 The central line of latitude running across the middle of the earth Equator 24 of 36 Referring to an area close to either the North or South Poles Polar 25 of 36 A cold biome found at high latitudes close to the poles with little rainfall and hardly any trees Tundra 26 of 36 A layer found at the top of a rainforest where the tallest trees are found Emergents 27 of 36 A leaf with a pointed tip designed to allow water to run off so the wight of the rainfall doesn't damage it Drip tips 28 of 36 Managing the environment in order to preserve, protect or restore it Conservation 29 of 36 When new trees are planted to replace ones that are cut down Replanting 30 of 36 When water turns into water vapour Evaporation 31 of 36 An area that receives less that 250mm of precipitation a year Desert 32 of 36 A prolonged period of time with less than average rainfall Drought 33 of 36 Where the intensive growing of crops exhausts the soil leaving it unable to grow vegetation Over-cultivation 34 of 36 Feeding too many livestock (animals) on a piece of land for too long, so it is unable to recover its vegetation Over-grazing 35 of 36 The process of land gradually turning to desert Desertification 36 of 36
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