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The Human Species.  |
| Warning! This topic contains EVOLUTION. Leave if you don't believe!! |
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 Replies: 37 — Last Post Aug. 15, 2009 3:39pm by swishone
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( finger paint )
Connoisseur
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Speciation [spee-see-ay-shon]--- The process by which new species evolve from old ones. It's a process that happens over millions of years by natural selection. Lets say a species is separated by a major barrier (water, mountains, sheer distance). They are separated into two populations that can no longer interbreed. Over the years, their gene pools become more and more different due to random genetic mutations. Also, the environmental pressures on the two populations are different, so different traits are advantageous to them. Over millions of years, new species evolve from the old one by natural selection. Ex. Darwin's Finches. The finches of the Galapagos islands. A flock of finches was blown out to see by a large storm, they happened to land on the Galapagos islands. What makes the Galapagos islands unique is that each island has a different environment.  The food sources on each island were different. As you can see, the finches' beaks adapted to the different food sources. A new species is officially created when the two populations no longer recognize each other as the same species, and they are no longer willing to interbreed. So, just looking at the human population, it's obvious we began to speciate. You have to be blind not to see it...     See? However, we weren't separated long enough to completely diverge into different species. Obviously, we still interbreed.   However, we were separated long enough for there to be major differences in our appearances and in our cultures. Although there is still racism, I'm amazed by humankind's progress. Normally, when this sort of thing happens in nature, one population will kill the other one in order to protect their niche. We still have not completely come to terms with our differences, but we're well on our way. Every decade, we see more and more interracial couples. We are beginning to antispeciate the world.  DO YOUR PART IN ANTISPECIATING THE HUMAN RACE! GET OUT THERE AND INTERBREED! PS.
Over the million years or so, do you think humankind will mesh into one megarace? Do you think that's good or bad? (Please note: If that we did become a megarace, the human population would have less genetic variation. So one epidemic of a serious disease could kill us all, because no one would be immune.) Post edited at 11:06 am on June 27, 2009 by finger paint
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 LiveWire Humor
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xNebulazx
Executive
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Yay!! IM all for interracial couples and stuff like that!
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Wanna scream out, no more hiding don't be afraid of what's
inside gonna tell ya, it'll be alright in the aftermath.
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Z E R O
Swami
 Patron
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Quote: from Nerdandproud at 9:44 pm on June 25, 2009
 Quote: from BleedingSteelWings at 2:54 pm on June 25, 2009
Quote: from Fortis Obscurum at 7:22 pm on June 25, 2009
Jews have been getting circumcised from birth for 5000 years, yet they are still born uncircumcised. I just disprooved Evolution. 
yeah suure.
genes were not removed/altered in the act of circumcision.
if you chop of a mans leg and then get him to impregnate a woman, the child will not have a gene missing for his leg. if you continue this it will continue to not make a difference.
surely they were being ironic?
still a good time for a lesson
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wargod_310@yahoo.ca, joshtoaoftruth@hotmail.com
The phoenix burns itself upon its death and is reborn from the ashes.
How many times must I immolate and reinvent myself?
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5:34 pm on June 25, 2009 | Joined: Sep. 2008 | Days Active: 350
Join to learn more about Z E R O Newfoundland and Labrador, Canada | Straight Male | Posts: 23,180 | Points: 26,417
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Natsy
carpe diem
Patron
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lmao
I am not going to fuck someone of the other race just for the sake of it ...
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Strive to be extraordinary
For everything that's wrong in life, it's in the mirror to criticise
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12:42 pm on June 26, 2009 | Joined: Oct. 2007 | Days Active: 670
Join to learn more about Natsy England, United Kingdom | Metrosexual Female | Posts: 32,036 | Points: 48,313
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Bacon
Guru
 Sustainer
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Kid Rune's gonna love this thread
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Taste the meat, you like it
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11:46 pm on June 26, 2009 | Joined: Sep. 2004 | Days Active: 894
Join to learn more about Bacon Australia | Bisexual Male | Posts: 5,464 | Points: 20,304
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BritchesAndHose
Quality Control Engineer
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just because we look different doesn't mean speciation is occuring....
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