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chapter 4
vocabulary
8
Biology
10th Grade
10/05/2010

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Term
population density
Definition
# of organisms per unit of living area
Term
dispersion
Definition
arrengement of populartion in it's enviroment
Term
density-independent factor
Definition
enveironmental factors, such as storms and extreme heat or cold, that affects populations regardless of their density
Term
density-depenendent factor
Definition
movement of indivduals away from a population
Term
population growth rate
Definition
how fast a specific population grows
Term
emigration
Definition
movement of indiuiduals away from a poplution
Term
immigration
Definition
movement of indiuiduals into a population
Term
carrying capacity
Definition
largest # of individuals in a species that an envieoment can support long-term
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