GCSE Geography - Living World key terms 0.0 / 5 ? GeographyLiving WorldGCSEAQA Created by: nickifinestCreated on: 01-04-19 13:57 Appropriate technology Technology suited to the needs, skills, knowledge and wealth of local people and their environment 1 of 30 Biodiversity The variety of life in the world or a particular ecosystem 2 of 30 Biomass Renewable organic materials, such as wood, agricultural crops or wastes, especially when used as a source of fuel or energy 3 of 30 Commercial farming Growing crops or raising livestock for profit, often involving vast areas of land 4 of 30 Conservation Managing the environment in order to preserve, protect or restore it 5 of 30 Consumer Organism that eats herbivores and/or plant matter 6 of 30 Decomposer Organisms such as bacteria or fungi that break down plant and animal material 7 of 30 Deforestation The cutting down and removal of forest 8 of 30 Desertification The process by which land becomes drier and degraded, as a result of climate change or human activities, or both 9 of 30 Ecosystem A community of plants and animals that interact with each other and their physical environment 10 of 30 Ecotourism Nature tourism usually involving small groups with minimal impact on the environment 11 of 30 Food chain Connections between different organisms (plants and animals) that rely upon one another as their source of food 12 of 30 Food web A complex hierarchy of plants and animals relying on each other for food 13 of 30 Fragile environment An environment that is both easily disturbed and difficult to restore 14 of 30 Global ecosystems/Biomes Large-scale ecosystems 15 of 30 Hot desert Parts of the world that have high average temperatures and very low precipitation 16 of 30 Infrastructure The basic equipment and structures (such as roads, utilities, water supply and sewage) that are needed for a country or region to function properly 17 of 30 Irrigation Artificial application of water to the land or soil 18 of 30 Logging The business of cutting down trees and transporting logs to sawmills 19 of 30 Mineral extraction Removal of solid minerals from the earth 20 of 30 Nutrient cycling On-going recycling of nutrients between living organisms and their environment 21 of 30 Overgrazing Feeding too many livestock for too long on the land, so it is unable to recover its vegetation 22 of 30 Polar The most extreme cold environment with permanent ice, i.e. Greenland and Antarctica 23 of 30 Producer An organism or plant that is able to absorb energy from the sun through photosynthesis 24 of 30 Selective logging Sustainable forestry management where only carefully selected trees are cut down 25 of 30 Soil erosion Removal of topsoil faster than it can be replaced, due to natural (water and wind action), animal and human activity 26 of 30 Subsistence farming A type of agriculture producing only enough food and materials for the benefit of a farmer and their family 27 of 30 Sustainability Actions that meet the needs of the present without reducing the ability of future generations to meet their needs 28 of 30 Tundra A vast, flat, treeless Arctic region of Europe, Asia, and North America where the subsoil is permanently frozen 29 of 30 Wilderness area A natural environment that has not been significantly modified by human activity 30 of 30
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