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Environmental sci
| Term | Definition |
|---|---|
| Producers | an organism that produces it's own sugar from the sun (mainly plants |
| Consumers | uses the chemical energy stored by photosynthesis or chemosynthesis. Relies on other organisms for energy |
| Autotrophs | producers |
| Heterotrophs | consumers |
| Herbivores | an organism that is a primary consumers and eats plants |
| Primary consumers | gains energy straight from producers/herbivores |
| Carnivores | most secondary and tertiary consumers. Kill and eat other animals |
| Omnivores | eats both plants and animals |
| Secondary consumers | Omnivores or carnivores. Eaten by tertiary consumers. Third layer of food chain |
| Tertiary consumers | gain energy from other animals. Eat secondary consumers |
| Decomposers | break down non living matter into simpler parts for it to be given back to community |
| Detritivores | consume non living matter |
| Trophic levels | rank in feeding hierarchy |
| Biomass | total amount of living tissue a trophic level contains |
| The ten percent rule | only ten percent of biomass is transferred between trophic levels theoretically |
Created by:
maxeycs
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