Ecosystem definitons

A community of plants and animals that interact with each other and their physical environment
Ecosystem
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Living components of an ecosystem
Biotic
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Non-living components of an ecosystem
Abiotic
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An organism that uses energy from sunlight to produce food
Producers
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An organism that gets energy from eating other organisms such as producers
Consumers
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An organism that breaks down plant and animal material and returns nutrients to the soil
Decomposers
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A simple line diagram to show direct links between producers and consumers in an ecosystem
Food Chain
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A diagram that shows all the connections between producers and consumers in a complex way
Food Web
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A large scale, global ecosystem
Biome
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Trees which shed their leaves in winter
Deciduous trees
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Trees which retain their leaves all year round
Coniferous trees
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The ongoing recycling of nutrients between living organisms and their environment
Nutrient cycling
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When heavy rainfall dissolves and carries nutrients out of soil
Leaching
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The variety of life in the world or a particular ecosystem
Biodiversity
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The cutting down and removal of forest
Deforestation
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Sustainable forestry management where only carefully selected trees are cut down
Selective logging
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Small scale farming where you are farming just to provide for your family or community
Subsistence farming
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Large scale farming where you are farming to sell products and make money
Commercial farming
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The removal of top soil by natural, animal and human activity
Soil erosion
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Actions that meet the needs of the present without reducing the ability of future generations to meet their own needs
Sustainability
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Nature tourism usually involving small groups with minimal impact on the environment
Ecotourism
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The environment that plants and animals live in
Habitat
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The way in which something is spread out and located across the whole world
Global distribution
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The central line of latitude running across the middle of the earth
Equator
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Referring to an area close to either the North or South Poles
Polar
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A cold biome found at high latitudes close to the poles with little rainfall and hardly any trees
Tundra
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A layer found at the top of a rainforest where the tallest trees are found
Emergents
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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
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Managing the environment in order to preserve, protect or restore it
Conservation
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When new trees are planted to replace ones that are cut down
Replanting
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When water turns into water vapour
Evaporation
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An area that receives less that 250mm of precipitation a year
Desert
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A prolonged period of time with less than average rainfall
Drought
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Where the intensive growing of crops exhausts the soil leaving it unable to grow vegetation
Over-cultivation
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Feeding too many livestock (animals) on a piece of land for too long, so it is unable to recover its vegetation
Over-grazing
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The process of land gradually turning to desert
Desertification
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Other cards in this set

Card 2

Front

Living components of an ecosystem

Back

Biotic

Card 3

Front

Non-living components of an ecosystem

Back

Preview of the front of card 3

Card 4

Front

An organism that uses energy from sunlight to produce food

Back

Preview of the front of card 4

Card 5

Front

An organism that gets energy from eating other organisms such as producers

Back

Preview of the front of card 5
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