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Author | Topic: New Species of Homo Discovered: Homo naledi | |||||||||||||||||||||||||||||||||||||||||
Taq Member Posts: 10350 Joined: Member Rating: 6.3
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It isn't our brains that make us distinct from the other apes. It's our feet. Happy Gilmore's golf coach knows the other difference.
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RAZD Member (Idle past 1704 days) Posts: 20714 From: the other end of the sidewalk Joined: |
(meme): it's all in the hips" Indeed. Unfortunately we will have to wait for a reconstructed pelvis for H. naledi. What we do have suggests that it is similar to Australopithicus or intermediate with them and H. habilis. Might be able to look at the femurs to see how the socket would need to be oriented. Enjoyby our ability to understand Rebel☮American☆Zen☯Deist ... to learn ... to think ... to live ... to laugh ... to share. Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)
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Meddle Member (Idle past 1570 days) Posts: 179 From: Scotland Joined:
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So I said I'd get to a reply on the skulls eventually...
What evidence do you have that any particular skull in that chart microevolved from the one preceding it? I look at that collection and see an arrangement that's most likely artificial. Well for the most part it is an artificial arrangement, since our current understanding of human evolution indicates that many of the species which these skulls represent branched off from our line of descent from a common ancestor we shared with Chimps. The reasoning we have for this common ancestor is the genetic evidence that Humans and Chimps are related, from simplistic DNA hybridisation to full genome sequencing, endogenous retroviruses, pseudogenes etc. Now to some, including yourself, a direct comparison between Humans and Chimps would suggest too many differences for the two species to be related, or to put it another way, for them to be related would require some ‘macroevolutionary’ change. The arrangement of hominin skulls illustrates the much smaller ‘microevolutionary’ changes that have occurred between populations leading up towards our own population. You did agree with this by stating that the skulls represented normal human variation, the only exception being skull A, the modern Chimp. However, when you look at skull B it has a lot more in common with skull A then it does with skull N. The example of the Pod Mrcaru lizards is interesting, and like you I find it impressive how much change can occur in a relatively short length of time. However, for me it increases the scope of what ‘microevolution’ is capable of accomplishing, watering down what can be described as ‘macroevolution’. I started by saying that the chart that Dr Adequate was, in one respect, an artificial arrangement. As you rightly pointed out, evolution is rarely a neat sequence of gradualism, and a more complete representation of ancestral species shows our descent to be far more complex. However, the arrangement shown was not arbitrary or chosen to support an evolutionist preconception. The ages of the skulls have already been mentioned, and although I accept you don’t accept the numerical values given, these methods do at least give an indication of the relative ages of the skulls. Also as mentioned above, study of the bones creates a catalogue of ancestral and derived features, allowing relationships between species to be identified. An example of the features which are examined can be found in RAZD’s Message 131. I also previously mentioned the size of the brain cavity, which you alluded to in mentioning nothing to indicate the relative sizes of the skulls. So here is a graph showing the transition in cranial capacity of different hominin species, with normal ranges of modern humans and chimps to the right for comparison.
Edited by Malcolm, : No reason given.
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Faith  Suspended Member (Idle past 1743 days) Posts: 35298 From: Nevada, USA Joined: |
Mostly just want to say thanks for treating my thoughts as intelligent. I think that makes you unique at EvC. But I don't really want to continue the debate here, just add a couple more thoughts and be gone.
Skull B doesn't look very human either, or C either really, but the only one I'm really sure isn't human is A so I left it at that. Pod Mrcaru shows that microevolution doesn't require millions of years, which is what a creationist would expect from a built-in set of genetic possibilities. To find out if the lizards have enough genetic diversity left for a further change you could isolate another set of pairs and see what happens. You need genetic diversity for evolution and evolution itself uses up genetic diversity. But I don't want to go down that trail again. Thanks again. Edited by Faith, : No reason given. Edited by Faith, : No reason given. Edited by Faith, : No reason given.
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Dr Adequate Member Posts: 16113 Joined: |
Skull B doesn't look very human either, or C either really, but the only one I'm really sure isn't human is A so I left it at that. So B and C might be apes or human, you're not sure which? Ooh, sounds to me like we have some intermediate forms here.
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Admin Director Posts: 13124 From: EvC Forum Joined: |
Faith writes: But I don't really want to continue the debate here, just add a couple more thoughts and be gone. In the past you have often declared that you're leaving a thread, which usually greatly inhibits responses to your last comments since you've led people to believe you won't be replying. And then you're back the next day. Because of this repeated behavior on your part I began responding to your threats to leave by letting you know that if you really left then I wouldn't allow you to return later. I know you feel certain today that you really want to leave, but consider how often you've changed your mind about leaving in the past. I don't have enough fingers and toes to count. So do you really want to leave? If you want to reconsider then let me know within a day, otherwise I won't be allowing you to return to this thread. This is the last clarification about threats to leave that you'll receive from me. Any future threats by you to leave a thread will be your last in that thread.
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Dr Adequate Member Posts: 16113 Joined:
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The creationists have spoken. H. naledi is an animal. According to leading creationist Ken Ham: "The preponderance of the evidence suggests they were animals, one of the variations that developed among apes."
In other news, the creationists have spoken. H. naledi is a human. According to leading creationist Kurt Wise: "I think the case is very strong that these fossils are not just of the genus Homo, but are actually fully human (meaning they are descendants of Adam and Eve)." Well, creationist taxonomy is not an exact pseudoscience. It's essential to creationism that there is a great yawning unbridgeable abyss between ape and human ... but identifying which fossils are on which side of this unbridgeable gap is evidently a matter of hairsbreadth distinctions of infinitesimal subtlety. I guess in the end the important thing is not to know whether the new fossil is totally human or completely animal, but to know that it's definitely one or the other.
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lasthero Junior Member (Idle past 2235 days) Posts: 6 From: Charlotte Joined: |
I'd say Ken Ham has it right.
It is an animal, and it is an ape.
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AZPaul3 Member Posts: 8685 From: Phoenix Joined: Member Rating: 6.1
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According to leading creationist Ken Ham: "The preponderance of the evidence suggests they were animals, one of the variations that developed among apes." I know we like to bash Ham and his creationist kind here but we must give credit to his well considered observation. I think, looking at what evidence has been presented thus far, Ham is right. H. naledi most likely is an animal. Not of the plant kind at all.
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RAZD Member (Idle past 1704 days) Posts: 20714 From: the other end of the sidewalk Joined: |
Welcome to the fray, lasthero
I'd say Ken Ham has it right. It is an animal, and it is an ape. Curiously I feel that if Ken Ham says something it is usually wrong ... But Homo sapiens sapiens and all members of the Homo clade are members of the ape clade and all apes are members of the animal clade, so in that sense he is correct, but I get the feeling that you think Homo naledi is not human (Homo) -- can you tell me why, what is your basis for this? Presumably you have looked through the evidence and read the technical paper with the comparisons to other fossils, yes? (see Message 1 for links). Why do you think Kurt Wise is wrong? Enjoy
... as you are new here, some posting tips: type [qs]quotes are easy[/qs] and it becomes:
quotes are easy and you can type [qs=RAZD]quotes are easy[/qs] and it becomes:
RAZD writes: quotes are easy or type [quote]quotes are easy[/quote] and it becomes:
quote: also check out (help) links on any formatting questions when in the reply window. For other formatting tips see Posting TipsFor a quick overview see EvC Forum Primer If you have problems with replies see Report Discussion Problems Here 3.0 Edited by RAZD, : splng Edited by RAZD, : clrty Edited by RAZD, : correctionby our ability to understand Rebel☮American☆Zen☯Deist ... to learn ... to think ... to live ... to laugh ... to share. Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)
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dwise1 Member Posts: 6129 Joined: Member Rating: 6.3
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It's essential to creationism that there is a great yawning unbridgeable abyss between ape and human ... but identifying which fossils are on which side of this unbridgeable gap is evidently a matter of hairsbreadth distinctions of infinitesimal subtlety. Time to trot out Jim Foley's classic web page from 2008, Comparison of all skulls, part of his Fossil Hominids: The Evidence for Human Evolution FAQ (last updated May 2011) in the talkorigins archive. The point he makes is that while creationists are in complete agreement that there is a very definite and distinct line dividing humans and non-human apes, such that every fossil can be determined as being either 100% human or 100% ape with nothing in the middle, they cannot agree with each other or even with himself which fossil belongs in which group: some they do agree on, some they don't agree on with some creationists calling the fossil human and others calling it ape, and sometimes the same creationist will classify the fossil differently in different of his books. Similarly, one of my earliest encounters with creationists in 1982 was in a televised debate of sorts on CBN:
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Faith  Suspended Member (Idle past 1743 days) Posts: 35298 From: Nevada, USA Joined:
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True, I change my mind a lot. Sorry to be so difficult.
ABE: OK, SORRY, YES I'M CHANGING MY MIND AGAIN, IN TIME TO STAY ON THE THREAD I HOPE. Yes I sincerely thought there was no point in being here and I had nothing more to say and I've been involved in a completely different project that's been taking a lot of time and didn't want to deal with the things at EvC right now in any depth. But then dwise came along and posted something I keep thinking about in spite of myself. I will try to keep from saying I'm leaving from now on since I so often don't. Please forgive. Thanks.' Edited by Faith, : No reason given. Edited by Faith, : No reason given.
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Omnivorous Member (Idle past 174 days) Posts: 4001 From: Adirondackia Joined: |
O brave new world that has such moments in it.
"If you can keep your head while those around you are losing theirs, you can collect a lot of heads." Homo sum, humani nihil a me alienum puto.-Terence
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Faith  Suspended Member (Idle past 1743 days) Posts: 35298 From: Nevada, USA Joined:
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...
Edited by Faith, : No reason given.
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Coyote Member (Idle past 2405 days) Posts: 6117 Joined:
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The posts RAZD has made show that there is a lot of very detailed information available on fossil discoveries for those who want to seek it out. And what he has posted is just the tip of the iceberg--there will be discussion of these bones in the literature and professional conferences for decades.
Obviously this information is not being hidden from creationists as was claimed upthread--rather it is being ignored by them as it doesn't coincide with their a priori beliefs. And what they don't ignore they misrepresent and obfuscate. There is absolutely no reason to take seriously anything a creationist says on matters scientific. Their methods are the exact opposite of science as their focus is belief and scripture rather than evidence. Indeed, they appreciate evidence about as much as vampires are reported to appreciate garlic! We have seen living proof of the creationist approach on these very threads. Again, there is absolutely no reason to take seriously anything a creationist says on matters scientific. Religious belief does not constitute scientific evidence, nor does it convey scientific knowledge. Belief gets in the way of learning--Robert A. Heinlein How can I possibly put a new idea into your heads, if I do not first remove your delusions?--Robert A. Heinlein It's not what we don't know that hurts, it's what we know that ain't so--Will Rogers If I am entitled to something, someone else is obliged to pay--Jerry Pournelle If a religion's teachings are true, then it should have nothing to fear from science...--dwise1 "Multiculturalism" demands that the US be tolerant of everything except its own past, culture, traditions, and identity.
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