9 - Human Ancestry Made Easy
Uploaded by: potholer54
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SUBSCRIBERS -- THIS IS NOT A NEW VIDEO
"Human Ancestry Made Easy" is the only video in my series with some annoying mistakes, so I have edited and corrected it. This is preferable to just running the 'Errata 2' video that some people might miss.
I have kept a copy of all the comments if anyone needs it. No need to comment again, but by all means rate the video if you liked it the first time, and rate it even if you didn't!
This video traces our migration out of Africa and explains, through DNA evidence, how humans colonized the world. It is part of the Made Easy series of videos that show the evidence of our origins, from the Big Bang onwards.
(Music: "Allegretto" by Bond and "The Ballad of Henry Darger" by Natalie Merchant.)
Tags for this video: atheism christianity creation evolution fundamentalism god human Potholer54 science
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| Errata 2 | 8 -- Human Evolution Made Easy | 11 -- Creation 'Science' Made Easy |
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| 6 -- Natural Selection Made Easy | The Ice Age | i need your help!!! |
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"The more I learn, the more I learn of my ignorance".
- Imam AshShafi'i
1 question: how did the native americans learn how to farm if it wasnt necessary for them to survive.
Peoples learn to farm in one of two ways: they copy it from others who know, or they invent it for themselves. What it takes is observation and some "scientific" guesswork, followed up by experimentation. The video explains it was independently developed at least twice, and probably more than that. American Indians may have developed it here, or may have learned it from later immigrants who carried it from other places.
Human mtDNA converges at 200,000 years ago in Mitochondrial Eve. We converge on Y-chromosomnal Adam at 60,000 years ago.
So while Eve was alive there would have been (must have been) other people whose DNA has survived until now, just not in the strictly matrilineal line. Same for Adam.
n.b. Because of a severely bottlenecked population over 10,000 years ago, the cheetah has low genetic variability & a 70% mortality rate. See DonExodus's video: "Noah's Ark and the Cheetah" watch?v=rIlWKp44T50
Yes, it was moving! I just had to make a bad pun.
If homo sapiens had a unique origin from other animals, then mtDNA would not be consistent with evolution.
From Neanderthal mtDNA we can extrapolate that humans and Neanderthals diverged 600,000 years ago. We can also see ape DNA in agreement with natural selection. On top of this is the fossil record. this is better when it comes to intermediates between later hominids. The same technique is used to connect other species reliably too.
My point *was* that we cannot have had a single origin from our ancestor. Our species would never have survived the bottle-neck and the resulting lack of genetic variation. Speciation in all animals is gradual.
Interesting to note that Neanderthals had religion, We can figure this out because they bury things with their dead.
What they didn't have and what made us different is Art.
Religion is like a return to pre human evolution, it is how apes think.
It's all about who is the biggest mofo ape.
whereas we have the ability to imagine herds of wilder beast.. then imagine how to make it happen.
All Neanderthals could do was drop to their knees and beg their ape god.
They had no science.
Band = hunter gatherers
Tribe = horticulture & pastoralism
Chiefdom (transition) = agricultural
Archaic State = agricultural
Modern State = industrialism