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