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| The study of relationships between living organisms and between organisms and their environment. |
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| A community and its abiotic environment. |
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| A group of organisms of the same species who live in the same area at the same time. |
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Definition
| A group of populations living and interacting with each other in an area. |
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Definition
| A group of organisms which can interbreed and produce fertile offspring. |
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| The environment in which a species normally lives of the location of a living organism. |
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| (producer)-An organism that produces organic matter from inorganic raw materials and an external energy source. |
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| (consumer)-An organism that obtains energy and organic matter from other organisms. |
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| (decomposer)- An organism that ingests dead organic matter. |
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Definition
| (decomposer)- An organism that feeds on dead organic matter using extracellular digestion. |
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| The position that an organism occupies in a food chain or a group of organisms in a community that occupy the same position in food chains. |
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Definition
| A group of organisms which could interbreed and produce fertile offspring. |
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Definition
| The maximum number of a species that can be sustainably supported by the environment. |
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Definition
| A method to ensure that every individual in a population has an equal chance of being observed. |
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