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Originally Posted by Oxymoron
I maynot be a biologist but I do know a thing or two about what you are talking about  Yes marriage is a social-legal institution. Spot on! And pray how does it make "evolutionary sense"??? Evolution is a biological institution. It has absolutely nothing to do with society and legal. Marriage is a man's creation. Using your logic of cohabitance and rearing of a family shouldnt animals get "married" too?  And monogamy is not exactly an evolutionary need. Not by a long way! it is more of a recent trend (in cosmic terms). Anyway pray how exactly "marriage" ensure monogamy?  Since you are a biologist may I presume you are familiar with the idea of "selfish gene theory"? So what's your take on it? |
Never ask a biologist abt how things relate to evolution

You'll be lucky to get them to stop
It makes very sound evolutionary sense. Ever thought about the ah! "safe investment" angle? Why do some grooms get preference over others? If u tell me financial security and the associated bilge, u are lookin at the question from a non-biologists point of view. One who has not cared to take a peek behind the matchmakin.
The primary focus of economic activity, with exceptions as there are to all things general, on the part of individuals is to be able to provide for the family. The more dedicated and capable the members of a parenting pair, the more chances do they have to leave their genes behind for the future. You must understand that all our lives gyrate round the need to ensure that we leave a copy of our genes for the next generation. That is the driving force behind life as a whole.
Monogamy is not a recent trend. On the contrary, it is nearly as old as evolution itself is. And marriages do happen in the animal world. Storks, swans, foxes, hunting dogs, owls, gorillas, geese and hundreds of other species mate for life. Ever heard the bit about lovers "Livin like a pair of doves"?
Monogamy makes sense as it allows the offspring to benefit from the full attention and care and energy that the parents can provide. More chances for the set of genes to survive into maturity. This is not quite possible if either parent offers his/her attention to "other" matters. And in the case of humans, where the offsprings need around 20 years to mature into self sustaining individuals, it becomes all the more important for the parents to look after the child.
Lookin for a life partner is along similar lines. Younger girls are mostly paired off with older men (indeed, women do find older men more attractive than their contemporaries in most cases) to optimise their peak reproductive years with the security and able support and provison of resources for child rearing from the older man.
The selfish gene theory? Very simply put it means that we try to maximise our chances of leaving behind our genetic imprints by choosin healthy genes for our subsequent generations. Hence we find men with the tendency to stray and women to be picky about their reproductive partners. Men will willin mate as many times as oppurtunities arise because it maximises their chances of havin a child. They are not primarily worried about their abilities to be able to take care of the child once it is born.
Women being the actual rearers of the child, try to choose the more virile (for healthier babies) or the more secure (for important child rearing resources) partners, makin them more choosy. The instances of men being willing enough to sleep with strangers and women with general IQs lower than theirs is a well researched aspect of our reproductive behaviour. It is not so for women. They will not willingly take a stranger to bed and even when they do, the partner is generally their intellectual superior or financial better off.
And since genes harbour the true essence of us (the infamous Nature Vs Nurture debate) as to our capabilities and characteristic tendencies, we get to replace The Survival Of The Fittest with The Survial Of The Fittest Gene. The more beautiful, more symmetric a woman or man is, the better their IQ, the stronger their immune systems and the stronger the chances of survival of their gene.
Phew!!! That was one loooonnnnnggggg typin session!!!
Cheers!!!