Mr. Cramer's Awesome Review - Ecology & Photosynthesis/Respiration
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CramersClass on December 9, 2010
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24 terms
Terms | Definitions |
|---|---|
 Food Web | Diagram showing the flow of energy an ecosystem. |
| Predator | An organism that hunts down and eats its food. |
| Prey | An organism that is hunted down and eaten. |
| Mutualism | A symbiotic relationship in which both organisms benefit. :) :) |
| Parasitism | A symbiotic relationship in which one organism benefits and the other is harmed. :) :( |
| Commensalism | A symbiotic relationship in which one organism benefits and the other unaffected. :) :l |
| Carrying Capacity | The largest number of organisms that an ecosystem can support. Depends on limiting factors. |
| Limiting Factor | Factors that causes growth of population to decrease. Determines carrying capacity. |
| Population | Group of individuals that belong to the same species and live in the same area. |
| Autotroph/Producer | Organism that creates its own energy. |
| Heterotroph/Consumer | Organism that cannot make its own energy. It must eat food. |
| Herbivore | Organism that obtains energy by eating only plants |
| Carnivore | Organism that obtains energy by eating only other animals. |
| Omnivore | Organism that obtains energy by eating both plants and animals. |
| Detritivore | Organism that obtains energy by eating dead matter. |
| Decomposer | Organims that breaks down and obtains energy from dead matter. |
| Food Chain | Series of steps in an ecosystem in which organisms transfer energy. |
| Trophic Level | Each step in a food chain or food web. |
| Abiotic Factor | A non-living factor in an ecosystem. |
| Biotic Factor | A living factor in an ecysystem. |
| Cellular Respiration | Oxygen + Glucose --> Water + Carbon Dioxide + Energy |
| Photosynthesis | Water + Carbon Dioxide --> (with light energy) Glucose + Oxygen |
| Products | The elements or compounds produced by a chemical reaction. |
| Reactants | The elements or compounds needed for a chemical reaction to occur. |
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