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