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10 cards from this deck
Environmental factors determining which organisms survive & reproduce
Where a species is found geographically within an ecosystem
How many individuals of a species live in an ecosystem
Non-living environmental conditions
Temperature range, light availability, water availability
Living components that influence an organism's existence
1 m × 1 m square frame used to sample areas of an ecosystem
N=M×nmN = \frac{M \times n}{m}N=mM×n
Narrow strip crossing entire study area from one side to other
Without variation, few/no individuals survive selection pressures
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