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Ecosystems
yearly exam study
Term | Definition |
---|---|
Abiotic | Non-living parts of ecosystems. |
Biotic | Living ecosystems. |
Consumer | Cannot create own energy. Relies on other organisms for energy. |
Producer | Can produce there own energy via photosynthesis. |
Decomposer | Breakdown dead organisms, feaces and waste.\ and returns the matter. |
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 amounts of trees. |
Converation | Saving or protecting environments for the future, eg National Parks |
Sustainability | Balancing our need for resources with the need to protect and conserve the enviroments |