Ecology test
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Created by:
cardinal56 on September 23, 2008
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Description:
ecology in biology
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13 terms
Terms | Definitions |
|---|---|
 Biosphere | all regions of the earth's waters, crust, and atmosphere where organisms live |
| Ecology | study of how organisms interact with one another and with their enviornment |
| Photosynthesis | process by which organisms use sunlight energy to convert carbon dioxide and water to sugars |
| Autotroph | organism that makes its own food using an enviornmental energy source and carbon from carbon dioxide |
| Transpiration | evaporative water loss from the aboveground parts of a plant |
| Biome | a large land region charcterized by dominant plant species and habitat conditions |
| Biotic | living |
| Respiration | movement of oxygen into an animal's internal enviornment and carbon dioxide out of it |
| Heterotroph | organism unable to make its own food; feeds on autotrophs, organic wastes |
| evaporation | process of conversion of a liquid to gas; requires energy input |
| mutualism | symbiotic interaction that benefit both partners |
| ecosystem | an array of species and thier physical enviornment |
| abiotic | nonliving |
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