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18.1 & 18.2

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word
defintion
ecology   the study of the relationships of organisms with one another and with their environment  
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Biotic   living factors. includes anything alive in the enviroment  
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abiotic   nonliving factors. abiotic factors include water , soil, light, and temperature  
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organism   1 single living thing  
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population   a group of individuals of the same species that live together interact in an area  
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communities   all the different types of species organism within the community and the abiotic environment  
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ecosystems   include the different types of organism swithin the community and the abiotic environment  
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biosphere   the part of the Earth where life exists. The biosphere extends from the deepest parts of the ocean to high up in the air  
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producers   use sunlight directly to make food. They do this through the process of photosynthesis  
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consumers   eat other organisms to get energy  
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herbivore   eta plants  
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carnivore   eat animals  
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omnivore   eat both plants and animals  
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scavenger   eat dead animals  
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decomposers   break down dead organisms. They are nature's recyclers,fungus, and bacteria  
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food chain   a diagram that shows how energy in food flows from one organism to another  
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food web   a diagram that shows the food relationship between organisms in an ecosystems  
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energy pyramid   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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Created by: Jennaf713
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