Conservation of man.
D000029:Abortion, Legal; D000220:Adaptation, Biological; D000818:Animals; D001290:Attitude; D005075:Biological Evolution; D004196:Disease Outbreaks / Q000453:epidemiology; D004787:Environmental Pollution; D005193:Family Planning Services; D005838:Genotype; D006806:Human Rights; D006801:Humans; D007226:Infant Mortality; D011155:Population Control; D011158:Population Growth; D012141:Respiratory Tract Infections / Q000453:epidemiology; D012499:Sanitation; D012925:Social Conformity; D013672:Technology