Definition: The organization of the system of organs involved with sexual reproduction, e.g., hermaphroditism, monoecy, dioecy/gonochory, gynodioecy, androdioecy, gynomonoecy, andromonoecy, polygamodioecy, polygamomonoecy, apomixis, etc.
Definition: A form of anisogamy (heterogamy) in which the female gamete (e.g. ovum) is significantly larger than the male gamete (sperm) and is non-motile.
