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ecosystems
Yearly exam study
| Term | Definition |
|---|---|
| Abiotic | non living parts of ecosystems |
| Biotic | living parts of ecosystems |
| Consumer | cannot create own energy. relies on other organisms for energy. |
| Producer | can produce their own energy via photo synthesis |
| Decomposer | Break down dead organisms, faeces & waste & returns the matter to enviroment. |
| 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 eachother 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 enviroments for future, eg national parks |
| Sustainablity | Balancing our need for resources with the need to protect and conserve the enviroment |