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HUMAN EVOLUTION THEORY – FACT OR FICTION?
Monday, November 02, 2009
Comments: 0
Comments: 0
Human, in biological terms, is a mammal belonging to the primate and closely related to the African apes, but nevertheless, we have unique traits which are far outside the characteristics of any other animal of the world among which the most spectacular ones are the erect manner of walking and bipedal stride, the peculiar behaviour in relation to the two sexes, the power of speech, the very peculiar kind of inward activity, and the consciousness or ego-feeling which some may call "the soul".
During the last century, fossils have been discovered which represent pre-hestoric forms closely related to man's ancestors.
Fossils with names of Australopithecus, Homo erectus, Homo habilis, Homo sapiens and others, all of which were severely bipedal with an upright stance.
But if they possessed other characteristics of man is uncertain, as it cannot be seen from the fossilised bones if the being was able to speak and think, or what kind of life it lived.
WALKING ON TWO FEET.
The erect posture and walking in a two-footed striding by balancing the body on the hind legs must have implied some advantages.
But the upright bipedal stride is no way fast and easy, and it is far from energy saving.
In comparison with the four-footed manner of locomotion in most mammals, it is slow, uncomfortable and troublesome, and any other mammal has never adopted it.
A change from four-footed manner of walking into the upright bipedal manner is thus hard to imagine as in any way adventageous.
REASONABLE DOUBT.
Did we really evolved from apes?
Origin of modern humans indicate that the last common ancestor to modern humans must have existed less than 50,000 years ago.
Such a recent date left only one potential ancestor for modern humans, that is Homo neandertalensis (Neanderthals), which lived between 400,000 and 28,000 years ago.
Previous anatomical studies had cast doubt on the possibility of Neanderthals being the ancestors of modern humans.
These studies showed differences in Neanderthal's brain case and presence of internal nasal margin, a medial swelling of the lateral nasal wall and a lack of an ossified roof over the lacrimal groove. None of these features are found in Homo sapiens and the last feature is not found in any other mammal.
A recent analysis of Neanderthals differed markedly in the kind of grip they could use.
Neanderthals were limited to grips as one has when holding a stone or baseball. Such a grip would have been powerful (you would not want to shake hands with a Neanderthal), but not very dexterous.
The anatomy of Neanderthal's hands would have prevented them from engaging in the fine motor skills, such as carving and painting.
Another study showed that Neanderthals developed much more rapidly than modern humans, further eroding their status as mankind's ancestors.
In addition, Neanderthals had a huge nasal cavity coupled with a brain size larger than our own. However, with their carnivorous lifestyle, it seems likely that much of their brain might have been devoted to the sense of smell, being the "dog" among the homids.
It is also widely believed that after the Homo sapiens had migrated to Europe, the Neanderthal co-existed with humans.
Scientists have extracted mitochondrial DNA (mtDNA) from four Neanderthal skeletons; two from Neander Valley in Germany, another from Caucasos near the Black Sea and the fourth in Vindija Cave in Croatia, and laid to rest any question of whether the Neanderthal could have been our ancestors.
SCIENCE vs RELIGION.
Are evolution and religion complimentory or contradictory?
Should religious people oppose the teaching of evolution because it necessarily violates their beliefs?
Or should they embrace it as an example of how the human mind can discover and learn about the very nature of our existence here on earth?
Is religion compatible with the Human Evolution Theory?
CONCLUSION.
Is the evolution finally over?
50,000 years ago, one would assume that the trend was for people to get bigger and stronger all the time.
Then, quite abruptly, these people were replaced by light (in weight), tall and highly intelligent.
Some scientists believe humans are becoming less brainy and more neurotic; others see the signs of growing intelligence and decreasing robustness, while some see the evidence of us having reached a standstill.
Most scientists believe our species have reached its biological pinnacle and is no longer capable of changing.
http://rashid-kay.blogspot.com
During the last century, fossils have been discovered which represent pre-hestoric forms closely related to man's ancestors.
Fossils with names of Australopithecus, Homo erectus, Homo habilis, Homo sapiens and others, all of which were severely bipedal with an upright stance.
But if they possessed other characteristics of man is uncertain, as it cannot be seen from the fossilised bones if the being was able to speak and think, or what kind of life it lived.
WALKING ON TWO FEET.
The erect posture and walking in a two-footed striding by balancing the body on the hind legs must have implied some advantages.
But the upright bipedal stride is no way fast and easy, and it is far from energy saving.
In comparison with the four-footed manner of locomotion in most mammals, it is slow, uncomfortable and troublesome, and any other mammal has never adopted it.
A change from four-footed manner of walking into the upright bipedal manner is thus hard to imagine as in any way adventageous.
REASONABLE DOUBT.
Did we really evolved from apes?
Origin of modern humans indicate that the last common ancestor to modern humans must have existed less than 50,000 years ago.
Such a recent date left only one potential ancestor for modern humans, that is Homo neandertalensis (Neanderthals), which lived between 400,000 and 28,000 years ago.
Previous anatomical studies had cast doubt on the possibility of Neanderthals being the ancestors of modern humans.
These studies showed differences in Neanderthal's brain case and presence of internal nasal margin, a medial swelling of the lateral nasal wall and a lack of an ossified roof over the lacrimal groove. None of these features are found in Homo sapiens and the last feature is not found in any other mammal.
A recent analysis of Neanderthals differed markedly in the kind of grip they could use.
Neanderthals were limited to grips as one has when holding a stone or baseball. Such a grip would have been powerful (you would not want to shake hands with a Neanderthal), but not very dexterous.
The anatomy of Neanderthal's hands would have prevented them from engaging in the fine motor skills, such as carving and painting.
Another study showed that Neanderthals developed much more rapidly than modern humans, further eroding their status as mankind's ancestors.
In addition, Neanderthals had a huge nasal cavity coupled with a brain size larger than our own. However, with their carnivorous lifestyle, it seems likely that much of their brain might have been devoted to the sense of smell, being the "dog" among the homids.
It is also widely believed that after the Homo sapiens had migrated to Europe, the Neanderthal co-existed with humans.
Scientists have extracted mitochondrial DNA (mtDNA) from four Neanderthal skeletons; two from Neander Valley in Germany, another from Caucasos near the Black Sea and the fourth in Vindija Cave in Croatia, and laid to rest any question of whether the Neanderthal could have been our ancestors.
SCIENCE vs RELIGION.
Are evolution and religion complimentory or contradictory?
Should religious people oppose the teaching of evolution because it necessarily violates their beliefs?
Or should they embrace it as an example of how the human mind can discover and learn about the very nature of our existence here on earth?
Is religion compatible with the Human Evolution Theory?
CONCLUSION.
Is the evolution finally over?
50,000 years ago, one would assume that the trend was for people to get bigger and stronger all the time.
Then, quite abruptly, these people were replaced by light (in weight), tall and highly intelligent.
Some scientists believe humans are becoming less brainy and more neurotic; others see the signs of growing intelligence and decreasing robustness, while some see the evidence of us having reached a standstill.
Most scientists believe our species have reached its biological pinnacle and is no longer capable of changing.
http://rashid-kay.blogspot.com
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