Term
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Definition
Non living organisms
ex: rocks |
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Term
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Definition
| rain with a below normal PH level caused by polution |
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Term
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Definition
| the sum total of the variety of organisms in the biosphere |
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Term
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Definition
| accumulation of toxins within each level of the food chain |
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Term
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Definition
| the living things in an ecosystem |
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Term
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Definition
| meat eater ex: lion, wolves |
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Term
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Definition
| largest population an environment can support |
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Term
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Definition
| These contribute to global warming; found in aerosol cans and refrigerant coolant |
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Term
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Definition
| one type of symbiotic relationships; 1 species benefits the other is unharmed |
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Term
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Definition
| several different species living together in the same area |
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Term
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Definition
| cannot make their own food-must eat another organism to make its energy |
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Term
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Definition
| breaks down dead organisms for energy ex: bacteria an fungi |
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Term
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Definition
| variable affected by number of organisms in a given area |
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Term
Density-Independent factor |
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Definition
| variable that affects population regardless of the pop. density. ex: climate |
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Term
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Definition
| Study of living organisms with other organisms and their environment |
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Term
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Definition
| all organisms that live together in a place including non-living |
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Term
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Definition
| represents the amount of energy transferred from one trophic level to the next |
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Term
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Definition
| rate of population growth stays the same; the population growth increases steadily- J curve |
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Term
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Definition
| average global temperature steadily rises |
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Term
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Definition
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Term
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Definition
| place where organism lives |
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Term
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Definition
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Term
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Definition
| one type of symbiosis, both species benefit |
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Term
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Definition
| animals job; ex: cats catch mice |
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Term
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Definition
| meat and plant eater ex: people, bears |
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Term
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Definition
| one species benefits, one is harmed ex: tapeworm lives off of human,human loses nutrients |
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Term
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Definition
| first species to start inhabiting an area during primary succession. ex: lichen |
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Term
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Definition
| group of the same species of organism ex: group of frogs |
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Term
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Definition
| number of a single species that live in a given area |
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Term
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Definition
| relationship when one organism captures and feeds from the captured |
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Term
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Definition
| start an entire ecosystem with nothing but rock |
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Term
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Definition
| organisms that make their energy directly from the sun. ex: plants, algae |
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Term
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Definition
| occurs after some kind of natural disaster or from humans, much faster than primary. ex: forest fire, farming |
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Term
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Definition
| regular progression of species replacement |
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Term
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Definition
| two species living together |
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Term
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Definition
| one step or level in a food chain or food pyramid |
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