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Author Topic:   If evolution is our origin, where will we end up?
New Cat's Eye
Inactive Member


Message 7 of 33 (234245)
08-17-2005 7:15 PM
Reply to: Message 1 by nique
08-08-2005 11:15 AM


we're in the last stage
Its my opinion that were not going anywhere. I don't think we can expect much change in humans, especially on the physical trait level. I just think that natural selection has too little of an affect on humans to have any noticable change, because of the way we have taken matters into our own hands. Its like we've stopped evolving, we've stopped our own evolution. Now I have to type that I realize that the frequencies of our alleles will continue to change so technically we can never stop evolving. But, in response to:
If evolution is how we got here, where will it lead? will we eventually become "god", would that be the last stage of evolution?
I would have to say it leading us nowhere, we are in the last stage now.

This message is a reply to:
 Message 1 by nique, posted 08-08-2005 11:15 AM nique has not replied

Replies to this message:
 Message 8 by crashfrog, posted 08-17-2005 7:23 PM New Cat's Eye has replied
 Message 14 by Annafan, posted 08-19-2005 5:24 PM New Cat's Eye has not replied
 Message 21 by AnEmpiricalAgnostic, posted 08-24-2005 4:16 PM New Cat's Eye has replied

  
New Cat's Eye
Inactive Member


Message 9 of 33 (234258)
08-17-2005 8:14 PM
Reply to: Message 8 by crashfrog
08-17-2005 7:23 PM


Re: we're in the last stage
for most human beings, lethal selection is very, very much at work.
I think some examples or answers would help me see why this is true, and why this is evolving us on a noticable level.
Is the lethal selection natural? or man-made(caused)?
Most?, like what percent are we talkin....of those, how many had reproduced?
Are you talking about the tons of kids starving to death in africa?
I don't know anything about your private life but I assume that, like me, you actually have to convince women to have sex with you. You can't just control their minds and make them do it. Thus, mate selection is still very much in operation for both of us; indeed, for every human being.
I just don't see it that way. Pretty much everyone is getting laid. Plus we have contraceptions, so it's not so much about just getting laid, you have to raise a kid to pass on the genes.
How much sexual selection do you think is involved in who people are having kids with?
It just doesn't seem like that much to me. I think people who choose to have kids are choosing their partner for reasons other than physical attraction. The ones based on physical attraction seem to be the unplanned pregnancies.
I have more to say but don't have the time, I have to leave it here.

This message is a reply to:
 Message 8 by crashfrog, posted 08-17-2005 7:23 PM crashfrog has replied

Replies to this message:
 Message 10 by crashfrog, posted 08-17-2005 9:00 PM New Cat's Eye has replied

  
New Cat's Eye
Inactive Member


Message 12 of 33 (234665)
08-18-2005 8:37 PM
Reply to: Message 10 by crashfrog
08-17-2005 9:00 PM


Re: we're in the last stage
I agree that changes will occur.
Do you think there will be noticable changes to our phenotype?
Is it evolving us? It's certainly having an effect.
Since these conditions, again, represent physical aliments that genetics can influence, and they eliminate humans who have not bred, this represents selection.
I agree we will be affected, but like I said:
quote:
I just think that natural selection has too little of an affect on humans to have any noticable change
Starvation is a selective pressure in every environment and in every species. It's well-known as a density-depended selective factor.
What changes in the phenotype would you expect from this selective factor? What about the genotype?
Unless you're having kids with literally everyone, it's all sexual selection.
Well, if you look at it that way then sure. Thats not how I've come to understand sexual selection.
But it's all selection.
Right, but its all selection thats gonna have no noticable affect on us, how could it?

This message is a reply to:
 Message 10 by crashfrog, posted 08-17-2005 9:00 PM crashfrog has replied

Replies to this message:
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New Cat's Eye
Inactive Member


Message 23 of 33 (236980)
08-25-2005 5:42 PM
Reply to: Message 21 by AnEmpiricalAgnostic
08-24-2005 4:16 PM


Re: we're in the last stage
Some nasty virus could run amok or some celestial event could make life very difficult on this planet very quickly
Yeah, this goes with my point:
quote:
I just think that natural selection has too little of an affect on humans to have any noticable change, because of the way we have taken matters into our own hands.
Its gonna take something that is out of our hands to make us evolve. As long as we are in control, we can expect little to no change.

This message is a reply to:
 Message 21 by AnEmpiricalAgnostic, posted 08-24-2005 4:16 PM AnEmpiricalAgnostic has replied

Replies to this message:
 Message 24 by AnEmpiricalAgnostic, posted 08-26-2005 10:10 AM New Cat's Eye has not replied

  
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