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4
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an organism’s particular role or how it fits into an ecosystem
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6
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the pattern of overlapping food chains in an ecosystem
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7
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an interaction in which one organism benefits and the other organism is not affected
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9
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the number of animals that can obtain food and shelter from the environment in a given area; the ability of an environment to support its animal population
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10
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an organism that feeds on plants or other animals
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11
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organisms in an ecosystem work together to survive
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12
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shows how the energy in food is passed from one organism to another in an ecosystem
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13
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nonliving things in the environment, including soil, water, temperature, air, light, wind, and minerals
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15
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all the living and nonliving things that interact in an area
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16
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an interaction in which one organism hunts and kills another animal for food
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17
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living things in the environment, such as plants and animals
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18
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a habitat where animals live on land
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20
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a factor in the ecosystem that keeps a population from growing too large
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22
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used to show the amount of food that is available to be eaten by another organism at the next level of a food chain
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26
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the area in which an animal or plant normally lives
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27
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a group of similar organisms whose members can mate with one another and produce fertile offspring
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