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Ecosystems - Chapter 1

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Term
Definition
Food Chain   organisms/plants that use the sun's energy to make their own food.  
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Predators   Animals that kill and eat other animals for food  
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Prey   Animals that other animals hunt for food  
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Food Chain   A series of organism through which energy is passed  
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Food Web   A system of interlocking food chains  
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Decomposers   Organisms that break down the dead bodies of other organisms. They are the last step of the food chain and are too small to see without a microscope  
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Adapt   Go through changes that make them fit in better with the environment around them.  
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Photosynthesis   Process when plants use water, carbon dioxide and energy from the sun to make sugar  
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Consumers   A living thing that eats another living thing  
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Herbivores   A living creature that eats only plants  
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Omnivores   A living creature that eats a wide variety of plants and animals  
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Symbiosis   A partnership between living things  
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Carnivores   A living creature that is only or mostly a meat eater  
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Mutualism   A kind of symbiosis in which both partners benefit  
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Parasites   An organism that lives in or on another organism (the host) and benefits by taking nutrients from them  
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Parasitism   A kind of symbiosis in which one partner benefits and then other is harmed  
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Scavenger   An animal that consumes dead animals, but does not kill the animal itself  
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Host   The partner that is used as a source of food by the parasite  
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Commensalism   One partner benefits, the other is not helped or harmed  
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Created by: jbekoff
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