Living World Topic Keywords

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  • Created by: charlo129
  • Created on: 06-01-19 16:55
non - living things in an ecosystem
abiotic
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living things in an ecosystem
biotic
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creature that eats animals and/or plant matter
consumer
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an organisim such as bacterium or fungus, that breaks down dead tissue, which is then recycled to the enviroment
decomposer
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a community of plants and animals that interact with each other and their physical enviroment
ecosystem
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the connections between different organisms(plants and animals) that rely on one and other as their source of food
food chain
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a complex hierarchy of plants and animals relying on each other for food
food web
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a set of processes whereby organisms extract minerals necessary for growth from soil or water passing them through the food chain and back to the soil and water
nutrient cycle
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very large ecological areas on the earths surface(or biomes) with fauna and flora(animals and plants) adapting to their enviroment. Examples include tropical rainforest and hot desert
global ecosystem
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an organism or plant that is able to absorb energy from the sun through photosynthesis
producer
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the variety of life in the world or particular habitat
biodiversity
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farming to sell produce for a profit to retailers or food processing companies
commercial farming
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countries are relieved of some of their debt in return for protecting their rainforests
debt reduction
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the chopping down and removal of trees to clear an area of forest
deforestation
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responsible travel to natural areas that conserves the enviroment, sustains the wellbeing of the local people, and may involve education. I t is ususllycarried out in small groups and has minimal impact on the local ecosytem
ecotourism
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the business of cutting down trees and transporting the logs to sawmills
logging
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the removal of solid mineral resources from the earth.These resources include ores,which contain commercially valuable amounts of metals - iron and aluminium;precious stones - diamonds,buildings stones - granite;an fuels -coal/oil
mineral extraction
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the cutting out of tress which are mature or inferior to encourage the growth of the remaining trees in a forest/ wood
selective logging
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removal of topsoil faster than it can be replaced, due to natural(water and wind action) animal and human activity. Topsoil is the top layer of soil and is the most fertile because it contains the most organic nutrient rich materials
soil ersosion
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a type of agriculture producing food and materials for the benefit only of the farmer and his family
sudsistence farming
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actions and forms of progress that meet the needs of the present without reducing the ability of future generations to meet their needs
sustainability
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technology that is suited to the needs,skills,knowledge and wealth of local people in the enviroment in which they live.It uses simple ideas with cheap and readily available materials,especialused in poorer countries,and is enviromentally friendly
appropriate technology
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the process by which land becomes drier and degraded, as a result of climate chang or human activities of both
desertification
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parts of the world that have higher average temperatures and very low percipitation
hot desert
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exhausting the soil by over-cropping the land
over-cultivation
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grazing too many livestock for too long on the land, so its unable to recover its vegetation
overgrazing
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Other cards in this set

Card 2

Front

living things in an ecosystem

Back

biotic

Card 3

Front

creature that eats animals and/or plant matter

Back

Preview of the front of card 3

Card 4

Front

an organisim such as bacterium or fungus, that breaks down dead tissue, which is then recycled to the enviroment

Back

Preview of the front of card 4

Card 5

Front

a community of plants and animals that interact with each other and their physical enviroment

Back

Preview of the front of card 5
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