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Definition
| all the living and non-living things that interact in an area |
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Definition
| an organism's role in an ecosystem |
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| the struggle between organisms to survive in a habitat with limited resources |
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Definition
| an interaction in which an organism hunts and kills another for food |
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| an organism that hunts and kills its food |
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Definition
| the organism that is caught and eaten by a predator |
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Definition
| a relationship between two species that benefits at least one of the species |
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| a relationship in which both species benefit from the relationship |
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| a relationship in which one species benefits and the other is not helped or harmed |
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Definition
| a relationship in which one species benefits and the other is harmed |
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Definition
| The organism that benefits from parasitism |
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Definition
| The organism the parasite lives on and feeds off |
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Definition
| a series of organisms that feed of each other in succession from producer to consumer |
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Definition
| a series of interrelated food chains in an ecosystem |
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| organism that feeds off plants and animals |
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Definition
| organism that produces its owns food |
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Definition
| organism that cannot produce its own food and receives its energy from feeding off other organisms |
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Definition
| an organism that breaks down dead material |
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Term
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Definition
| diagram that shows the transfer of energy from one trophic levels to another. Only 10% of the energy is passed on from one level to the next |
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Definition
| a group of similar organisms that can mate with each other and produce fertile offspring |
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Definition
| a genetic trait that helps an organism survive and reproduce |
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Definition
| the process in which individuals that are better adapted to their environment are more likely to survive than other members that less adapted |
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Definition
| change in a species over a period of time |
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