BIOLOGY 1M03 Lecture Notes - Lecture 29: Sexual Jealousy, Pipefish, Premarital Sex
21 Mar 2017
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Lecture 29 psychology wrap up and introduction to ecology. Betrothed prospective bride adopted by groom"s family during infancy. If the wife was adopted into the husbands family9 at a very young age, fertility rates become quite low. This suggests these people feel different about each other therefore there"re may be a lower chance of reproduction from happening. Looking at graph b) highest divorce rate for females adopted before age 1. This essentially has an impact on human psychology: psychology predisposition to mating with relatives (especially siblings) a female will consider her husband more like a sibling when adopted at a young age. Why do naturally wild birds (aka peacocks) look the way they do: sexual selection: Males are generally limited by mate acquisition. Ex: male deer victims of the rut : intra-sexual selection (male-male competition, alesof most species are generally indiscriminant cannot really tell which is the female and will almost always try to reproduce with anything.
