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Definition
| energy needed to get a reaction started |
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Definition
| attraction between different kinds of molecules |
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Definition
| any substance that speeds a chemical reaction |
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Definition
| Major source of energy for the body, made up of C, H, and O. |
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Definition
| attraction between molecules of the same substance |
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Definition
| groups of different species living in the same area |
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Definition
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Definition
| process by which bacteria change nitrates back to nitrogen gas |
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Term
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Definition
| small chemical unit that makes up a polymer |
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Definition
| monomer of DNA; 5-carbon sugar, phosphate group, and base |
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Term
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Definition
| essential nutrient that limits productivity in ecosystem |
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Definition
| process by which bacteria change nitrogen gas into usable Nitrates |
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Definition
| chemical substance that organisms need to survive |
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Definition
| first species to populate an area to start succession |
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Term
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Definition
| factor in an experiment that is changed by the scientist |
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Term
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Definition
| Habitat organism lives in and the job it performs in that habitat |
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Definition
| obtains energy by feeding on other organisms |
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Definition
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Definition
| study of interactions of organisms and their environment |
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Definition
| Species that exerts strong control on structure of a community |
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Term
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Definition
| possible explanation for a set of observations, possible answer to scientific question |
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Definition
| interpretation based on prior knowledge |
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Term
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Definition
| factor that changes in response to the independent variable, |
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Term
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Definition
| proteins that speed reactions in living things |
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Term
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Definition
| molecule composed of many monomers; makes up macromolecules |
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Term
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Definition
| organisms that breed and produce fertile offspring |
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Definition
| Substance that an enzyme reacts with |
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Term
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Definition
| substance that is dissolved in a solution |
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Term
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Definition
| dissolving substance in a solution |
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Definition
| group of same species living in the same area |
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Definition
| succession that occurs after a major disaster leaving bare rock |
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Term
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Definition
| succession that occurs after minor disturbance where soil |
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