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Pete's Quite Thread post

mark kennedy

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maha said:
At this point, speciation became impossible. The only changes that we see among homo sapiens is the division of different races.

Just one thing I wanted to address, there are more differences within races then there are between them.
 
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mark kennedy

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Valkhorn said:


Your point being?

I wasn't actually trying to make a point, I was just saying that race has nothing to do with speciation. In taxonomy they call these differences dems and the nonesense that passed for science in the 19th century was pure racism. I can go into the details if you like but I doubt that anyone with a basic understanding of biology could conclude that there are superiour and inferior races.

That was my concern and it was little more then a passing remark.
 
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maha

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anyone with a basic understanding of biology could (not) conclude that there are superiour and inferior races.

That was my concern and it was little more then a passing remark.


Okay. I just brought that up because I was talking about how homo sapiens have spread to different geographic regions. The different races on earth are representative of those regions. Africans have dark skin to protect them from the sun and big nostrils in order to take in more hot air. Nordic people have fair skin because they don't get much sun, and they are also covered up most of the time because of the cold. They're nostrils are smaller so as to limit the intake of freezing air. Of course, some of the physical characteristics of different races may indeed be surperfluous and arbitrary, but they must have orginated for a reason.

I wasn't implying anything racist in my original post. I was just trying to account for the differences among the most evolved primates to date--homo sapiens. Like I said, I could be wrong in my reasoning, however. And I realize that your comment Mark was just made in passing.
 
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Eukaryote

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mark kennedy said:
The chimpanzee and the bonobo (a pygmy chimp that lives in South American rainforest)
South America??? Free-ranging Bonobos are only found in the Congo river basin of AFRICA.
mark kennedy said:
One more thing and I hope this won't confuse the issue for you. Humans, no matter how much genetic drift or geologic isolation do not speciate.
Hmmm, how long has H. s. sapiens been around? Do you think that may have something to do with it?
mark kennedy said:
I don't know how this compares to other mammals
That's obvious.
mark kennedy said:
but that is compelling proof for me that the human species is immutable.
That's absurd.
 
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mark kennedy

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Eukaryote said:
South America??? Free-ranging Bonobos are only found in the Congo river basin of AFRICA.

So what, I was talking about speciation.

Hmmm, how long has H. s. sapiens been around?

About 6-10 thousand years.

Do you think that may have something to do with it?

I doubt very seriously the amount of time makes a dimes worth of difference.

That's obvious.

How rude.

That's absurd.

Then why is it that no matter how much genetic drift or geologic isolation we never, never, never speciate. All of these evolutionary mechanisms, you would think that there would be at least two different species of homo sapiens, the way there are two species of gorillas and chimps. I'll tell you what is absurd, this assinine myth of humans sharing a common ancestor with apes, its a genetic impossiblility.
 
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Pete Harcoff

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mark kennedy said:
Then why is it that no matter how much genetic drift or geologic isolation we never, never, never speciate. All of these evolutionary mechanisms, you would think that there would be at least two different species of homo sapiens, the way there are two species of gorillas and chimps. I'll tell you what is absurd, this assinine myth of humans sharing a common ancestor with apes, its a genetic impossiblility.

Ah, the old "if evolution was true this is what SHOULD have happened" argument.

Maybe you'd like to substantiate exactly why there should be two species of humans?
 
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Tomk80

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mark kennedy said:
Then why is it that no matter how much genetic drift or geologic isolation we never, never, never speciate. All of these evolutionary mechanisms, you would think that there would be at least two different species of homo sapiens, the way there are two species of gorillas and chimps. I'll tell you what is absurd, this assinine myth of humans sharing a common ancestor with apes, its a genetic impossiblility.
Not enough time, not really isolated, a broad range of behavior. I can go on if you want, but there are enough reasons to think that there might not have been a big speciation event at this point.
 
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mark kennedy

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maha said:


Okay. I just brought that up because I was talking about how homo sapiens have spread to different geographic regions. The different races on earth are representative of those regions. Africans have dark skin to protect them from the sun and big nostrils in order to take in more hot air. Nordic people have fair skin because they don't get much sun, and they are also covered up most of the time because of the cold. They're nostrils are smaller so as to limit the intake of freezing air. Of course, some of the physical characteristics of different races may indeed be surperfluous and arbitrary, but they must have orginated for a reason.

It sounds like you are looking in the right direction. Personally, I am of the opinion that all of these changes can be accounted for by random recombinations of the genes.

I wasn't implying anything racist in my original post. I was just trying to account for the differences among the most evolved primates to date--homo sapiens. Like I said, I could be wrong in my reasoning, however. And I realize that your comment Mark was just made in passing.

I never meant to suggest that you were suggesting racism, I was pointing out something that really puzzles me. There is more diversity within races then there is between them. :scratch: It's kind of like recombinations, the further apart genes are the more often the recombine. :scratch: Galileo wrote a book about three guys discussing tools and construction techniques back at the start of the scientific revolution. One of the things from his book that stuck in my mind was a simple question, one of them asks, 'did you ever notice that the solution to a problem is often the opposite of what you would expect it to be?'.

Science is about tools, mental and physical, I have allways believed that. Most of what scientists do is just observe what is at the end of their telescope or microscope. Where I think modern science has gotten too big for its britches is it is making enormous claims about periods of history they cannot directly observe or demonstrate. I don't know the degree to which other species are capable of evolving but there is no genetic basis for the evolution of human beings from apes or other primates. Homo sapien sapiens are immutable, meaning, we have never been nor will we ever be, anything other then homo sapien sapiens.
 
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mark kennedy

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Pete Harcoff said:
Ah, the old "if evolution was true this is what SHOULD have happened" argument.

Maybe you'd like to substantiate exactly why there should be two species of humans?

Genetic drift, geologic isolation...
 
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mark kennedy

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Tomk80 said:
How isolated have different tribes been? There has been a lot of contact between all kinds of people for many thousands of years.

There isn't an ecological nitch anywhere on the planet that has not been inhabited by human beings. Populations can dwindle resulting in bottlenecks or grow exponentially depleting resources resulting in mass starvation. In all of these extremes the human race does not speciate. Gorillas, orangutans and chimpanzees have but we are the only primates that didn't, because humans are immutable. The unique character of human physiology contradicts the most basic premise of evolutionary biology, universal common ancestory.
 
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