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