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