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Ecosystems study
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 photosynthesis |
| decomposer | break down dead organisms, faeces, 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. |
| bio magnification | 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, example national parks |
| sustainability | Balancing our need for resources with the need to protect and conserve the environment. |