Homosexual animal behavior has been considered for over a century not only abnormal, but impossible. According to Charles Darwin, sexual behavior in humans and animals has one purpose only - the passing on of genes. Choice of heterosexual partners is a matter of survival - the survival of the species.
Now, Darwin's theory is being challenged. New studies in animal behavior reveal that not only is sexual diversity the norm in the animal kingdom, the more complex and advanced the animals, the more diverse their sexual behavior.
The new question then is what do these observations reveal about animal and, by extension, human behavior? Was Darwin wrong in his theory of sexual selection?
Read more http://geneticsevolution.suite101.com/article.cfm/bisexual-animal-behavior-what-it-means
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