[PHOTOBIOLOGICALLY INDUCED FERTILITY].
D000818:Animals; D001717:Birds; D003075:Coitus; D005260:Female; D005298:Fertility; D005306:Fertilization; D008027:Light; D008322:Mammals; D008598:Menstruation; D010507:Periodicity; D010944:Plants; D012621:Seasons; D012725:Sexual Behavior
BIRDS; COITUS; FERTILITY; FERTILIZATION; LIGHT; MAMMALS; MENSTRUATION; PERIODICITY; PLANTS; SEASONS; SEX BEHAVIOR
LYSBIOLOGISK FREMKALDT FERTILITET.