I believe the answer is: Release of sex cells
The process of releasing the sex cells is different depending on the type of organisms. In humans, the release female sex cells happened during the menstrual cycle while the male sex cells is released into the female womb during ejaculation after sexual intercourse.
Not Germany or England at all sorry if im wrong
I believe true but statistics show it is random and all over the place with partial openings and partial closings.
Anglo-Norman and Middle English
