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Definition
| The study of interactions of living organisms with one other an with their environment. |
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| Describes living factors in their environment. |
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| Describes the nonliving part of the environment, including water, rocks, light, and temperature. |
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| A group of organisms of the same species that live in a specific geographical area, |
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| A community of organisms and their abiotic environment. |
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| All the population of species that live in the same habitat and interact with each other. |
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| A community of organisms and their abiotic environment. |
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| The part of the Earth where life exists. |
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| An organism that eats only plants. |
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| An organism that eats other animals (meat). |
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| An organism that eats both plants and animals. |
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| The pathway of energy transfer through various states as a result of the feeding patterns of a series of organisms. |
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| A diagram that shows the feeding relationship between organisms in an ecosystem. |
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| A triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain. |
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| The largest population an environment can support at any given time. |
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| An organism that is hunted and killed by another organism for food. |
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| An organism that eats all or part of another organism. |
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Definition
| A relationship in which two different organisms live in close association with each other. |
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| A relationship between two species in which both species benefit. |
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Definition
| A relationship between two organisms in which one organism benefits and the other is unaffected. |
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Definition
| A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed. |
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| The evolution of two species that is due to mutual influence, often in a way that makes the relationship more beneficial to both species. |
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