Matching Pairs Population EcologyOnline version Matching by Bridget Ward 1 Emigration 2 R Strategists 3 Clumped Population Dispersion 4 Density-Independent Factors 5 Random Population Dispersion 6 Carrying Capacity (k) 7 Dispersion 8 Density-Dependent Factors 9 K Strategist 10 population growth rate (PGR) 11 Zero population growth (ZPG) 12 Population Density 13 Uniform Population Dispersion 14 Immigration how fast a given population grows Population Growth Rate = Birth + Immigration – Emigration – Death Any factor in the environment that depends on the number of members in a population per unit area Long life span Large body size Reproduce slowly Have few young Provides parental care Ex: humans, elephants Any factor in the environment that does NOT depend on the number of members in a population per unit area The number of organisms in an area occurs when the birthrate equals the death rate the pattern of spacing of a population Number of Individuals Moving Out of a population Number of Individuals Moving Into a Population Short life span Small body size Reproduce quickly Have many young Little parental care Ex: cockroaches, weeds, bacteria The maximum population size that can be supported by the available resources
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