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