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Ecosystems
yearly exam
Term | Definition |
---|---|
Abiotic | Non-living parts of ecosystems |
Biotic | Living parts of Ecosystem |
Consumer | Cannot create own energy relies on other organisms for energy |
Producer | Can produce their own energy via photosynthesis |
Decomposer | Break down dead organisms, faeces and waste and returns the matter to environment |
Food web | A way to represent transfer of energy as organisms feed off each other. Made of many food chains |
Biomass pyramid | A way to represent the total amount of mass at each consumer level |
Biomagnification | Increasing amounts of pollutants being digested as you move up a food chain |
Deforestation | Clearing of land by removing large numbers of trees |
Conservation | Saving or protecting environments for the future, eg National Parks |
Sustainability | Balancing our need for resources with the need to protect and conserve the environment |