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The human penis has been argued to acquire numerous evolutionary adaptations. The objective of these adaptations is always to maximise reproductive accomplishment and minimise sperm Competitiveness. Sperm Opposition is exactly where the sperm of two males simultaneously occupy the reproductive tract of a female plus they compete to fertilise the eg

The human penis has long been argued to own many evolutionary adaptations. The objective of these adaptations is usually to maximise reproductive accomplishment and minimise sperm Opposition. Sperm Levels of competition is exactly where the sperm of two males concurrently occupy the reproductive tract of a female and so they contend to fertilise th