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