1. the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur
Bonobos go the furthest in same - sex bonding with regular copulation among males.
He then made the action of copulation and broke the big stone.
For Darwin, mate choice simply stopped at copulation.
There is relatively little information about copulation, maybe you can watch a bilingual story to relax your mood, I wish you a happy day!
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