Matching Pairs Population EcologyOnline version Matching by Bridget Ward 1 Emigration 2 Population Density 3 K Strategist 4 Random Population Dispersion 5 Clumped Population Dispersion 6 population growth rate (PGR) 7 Dispersion 8 Density-Independent Factors 9 Density-Dependent Factors 10 R Strategists 11 Uniform Population Dispersion 12 Carrying Capacity (k) 13 Immigration 14 Zero population growth (ZPG) 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 how fast a given population grows Population Growth Rate = Birth + Immigration – Emigration – Death Number of Individuals Moving Into a Population the pattern of spacing of a population occurs when the birthrate equals the death rate Short life span Small body size Reproduce quickly Have many young Little parental care Ex: cockroaches, weeds, bacteria The number of organisms in an area The maximum population size that can be supported by the available resources Any factor in the environment that depends on the number of members in a population per unit area Number of Individuals Moving Out of a population
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