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13 Cards in this Set
- Front
- Back
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abiotic factors
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nonliving things
Ex: rocks, water, dirt |
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biotic factors
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living things
Ex: animals, plants |
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competition
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two or more individuals or populations trying to use the same resources
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predation
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one organism hunted and kills another
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predator
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the organism that hunts and kills another organism
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prey
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the organsim that is hunted, killed, and eaten by another organism
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symbiosis
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close relationship between two species
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mutualism
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both species benefit
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commensalism
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one species benefits, the other is unaffected
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parasitism
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one species benefits, the other is harmed
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energy roles/ energy pyramid
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sun: source of all energy is our food
producers: makes their own food consumers: eat plants and animals; do not make their own food decomposer: breaks down dead organic material and returns the nutrients to the soil |
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food chain
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shows how energy moves from one organism to another throughout the organism
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food web
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interconnected food chains more accurate
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