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Definition
| the amount of species in an area (can be either high or low) |
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| groupings on a map that are either clumped, uniform or random. (shown with dots) |
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| Density Independent Factor |
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Definition
| a natural/weather occurance that effects population growth |
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Definition
| Over crowding, disease, competition ect, that affect population growth |
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Definition
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Definition
| When a growth rate is at a constant rate forever. Very unrealistic ("J" shaped curve on a graph) |
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Definition
| Growth rate slows and then stops. ("S" shaped curve on a graph) |
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Term
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Definition
| when an environment can only support a certain number of organisms |
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Definition
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Definition
| When a population neither grows bor declines |
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Definition
| the age groups of demography |
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Definition
| a wide variety of plant and animal species |
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Definition
| basically means "Over Hunted" for a valuable reason (elephants for their trunks, ect) |
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Definition
| The increasing concentration of toxic substances |
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Definition
| pollution causes a lake or pond to grow more algae which takes oxygen out of the water which kills the fish |
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Definition
| a species that is either accidentally or purposly brought to a new environment |
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Definition
| resources that are replenished faster than they are consumed |
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Definition
| Take a VERY long time to make |
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Term
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Definition
| is being made at the same rate as it is consumed |
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