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Author Topic:   Define "Kind"
NosyNed
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Posts: 9004
From: Canada
Joined: 04-04-2003


Message 25 of 300 (289110)
02-21-2006 11:05 AM
Reply to: Message 18 by Faith
02-21-2006 10:45 AM


Very general kinds
I would expect that the Kinds are as general as those you list
No, no they don't want that! There is a trap in this whole thing. Kind can not be so general as to include chimps and humans in one kind. (ID'ers mostly, I think, do that but that is a different question as ID'ers are (mostly, I think ) really in effectively TOTAL agreement with ALL the understood natural history of life on earth.)
It appears, to the cynical, that various proponents of the idea of "kinds" are actually trying very hard to not define the word. As soon as it is possible to determine what "kind" is in a very clear, operational way then one of two things happens:
1) Kinds are "ungeneral" enough (below the family level) that we can see examples of them arising and "macro evolution" is proved.
2) Kinds are general enough that it requires inferences from historical evidence to determine that they arise. Macroevolution is not "proven". But, oh dear, chimps are humans are the same "kind". The only way out of this is to then just arbitrarily define humans and chimps as different kinds with a wholly and very obviously ad-hoc "fix" which then destroys the "science" that they are claiming to be putting forward.
The remaining choice is to continue to claim that "kinds" are inviolate but never,even when pressed to, define them.
This message has been edited by NosyNed, 02-21-2006 11:06 AM

This message is a reply to:
 Message 18 by Faith, posted 02-21-2006 10:45 AM Faith has replied

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 31 of 300 (289119)
02-21-2006 11:21 AM
Reply to: Message 26 by Faith
02-21-2006 11:09 AM


Humans and monkeys
Humans are definitely one and only one Kind unto themselves.
I might not that I said Chimps and not "monkeys" and there is a big difference but that is a nitpick right now.
That is the problem. If you want to make the above statement then you have to make the definition of kind very "ungeneral" and we then see it arising or have very good evidence for the boundary being crossed. Specifically we see the arising of humans from not-so-humans.
It appears that the only way out of this connundrum is to NOT have a "good" -- that is a general, "operational definition" (google that ) of "kind". Your are proving the point with your above comment.
There is not and never will be a useful defition of "kind". It is equivalent to the whole "ID" thing being raised to just hide creationism. It is one of a number of attempts to appear to be scientific and therefore hope to wedge into science classes. It is not an actual, honest attempt to be really scientific in any way.

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 46 of 300 (289158)
02-21-2006 12:51 PM
Reply to: Message 39 by Faith
02-21-2006 12:05 PM


genetic diversity
I've argued it here many times, don't really want to get deeply into it again. It's that the mechanisms of evolution that are described in population genetics tend generally to the reduction of genetic potential. When natural selection or bottleneck or any other event splits one population from another, either by geographic isolation or by the death of one part of the population, the new population(s) exhibit smaller genetic diversity than the parent population. If this trend continues with more population splits then ultimately you can get to a very much reduced genetic potential even in something that is clearly a new highly adapted "species." Thus the very process of speciation is bought at the cost of a loss of genetic diversity. The only thing that counters this overall trend is mutation, and it has to be frequent enough and beneficial enough to counter a LOT of reduction. I don't know if experiments are the way to tackle this or thinking through known facts about these processes by somebody who has lots of experience with them, which I don't.
Since this is all based on genetics your distinction between other primates and humans goes away. The "kind" must be based on that too and so chimps and humans become one kind.

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 Message 39 by Faith, posted 02-21-2006 12:05 PM Faith has replied

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 48 of 300 (289162)
02-21-2006 12:55 PM
Reply to: Message 47 by Faith
02-21-2006 12:52 PM


Re: Further clarification
I find more similarities between bears and raccoons than I do between humans and apes.
But other than superficial appearance you know nothing at all about bears, racoons, humans or other apes so there is no way for you to arrive at any well-founded conclusion.
It would be, however, interesting for you to list the similarities you find on both sides.

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 Message 47 by Faith, posted 02-21-2006 12:52 PM Faith has replied

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 59 of 300 (289198)
02-21-2006 2:08 PM
Reply to: Message 58 by DBlevins
02-21-2006 2:06 PM


bird kinds ????
In fact, we share more in common (genetically) with the chimps than some birds species do within their own species.
What? Do you have something to support this?

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 Message 58 by DBlevins, posted 02-21-2006 2:06 PM DBlevins has replied

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 82 of 300 (289236)
02-21-2006 3:39 PM
Reply to: Message 79 by Faith
02-21-2006 3:16 PM


Creation Scientists
So I don't EXPECT scientists to bother
But this whole site and discussion exists because there are those who claim to be (Institute for Creation Research, e.g.) scientists examining these issues.
They are the ones who should have, by now, made some progress on this subject. I gave you the reasons (mine anyway ) why they are not making any progress on the topic at all.
Other than giving up on denying speciation and moving kinds up a couple of taxonomic levels they don't seem to be managing to accomplish anything after decades. A reasonable conclusion is that there will be no progress.

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 101 of 300 (289289)
02-21-2006 4:52 PM
Reply to: Message 97 by Faith
02-21-2006 4:38 PM


Just to clarify
It might be useful to clarify then:
You don't agree with the majority of creationist organizations as to what a kind might be or what went on the ark?

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 Message 97 by Faith, posted 02-21-2006 4:38 PM Faith has replied

Replies to this message:
 Message 103 by Faith, posted 02-21-2006 4:55 PM NosyNed has replied

NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 104 of 300 (289293)
02-21-2006 4:56 PM
Reply to: Message 103 by Faith
02-21-2006 4:55 PM


Re: Just to clarify
It appears that you are gradually getting further and further from them but then there seem to be more ideas about this than there are creationists so I suppose you might be in agreement with one somewhere.

This message is a reply to:
 Message 103 by Faith, posted 02-21-2006 4:55 PM Faith has replied

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 120 of 300 (289315)
02-21-2006 6:04 PM
Reply to: Message 118 by Faith
02-21-2006 5:57 PM


Re: latin kinds
Creationists avoid "species" like the plague for this very practical reason, and not out of some aversion to the word itself.
That is not the reason they avoid it. They used to deny speciation. The evidence backed most of them into a corner so they moved off that term onto something undefined.

This message is a reply to:
 Message 118 by Faith, posted 02-21-2006 5:57 PM Faith has replied

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 234 of 300 (291438)
03-02-2006 10:17 AM
Reply to: Message 227 by Faith
03-02-2006 8:18 AM


The Bible is very clear on what "kind" is.
There is no problem understanding what the Biblical writers meant by "kind". It is clear both from the examples they give and what we can infer about their knowledge based on what they would have observed.
"Kind" is precisely the biological species concept. They observed that different kinds do not interbreed and that a kind breeds true. That is what casual observation shows.
However, it is not correct over the longer term. They were wrong.

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