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Serious Debates & News Debate and discussion about political, moral, philosophical, celebrity and news topics. |
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#76 | |||
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Cyber Warrior
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Item 3 A full treatment of this is done here Imagine a grid of genes, some dominant and some recessive, which control melanin in the skin Quote:
[img=300x300]http://www.apologeticspress.org/image/rr/skin.jpg[/img] Quote:
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#77 | |||
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Cyber Warrior
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Please Evolution does not teach that we came from chimps or apes, just that humans chimps and apes come from a common ancestor. Sexual reproduction would occur only between members of the same species, with the changes occuring due to mutations and those mutations being locked in due to natural selection. The trouble is we have never documented in nature a beneficial mutation. All the mutations we see are harmful and natural selection selects against them. |
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#78 | |||
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van der Woodsen
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Please Evolution does not teach that we came from chimps or apes, just that humans chimps and apes come from a common ancestor. Sexual reproduction would occur only between members of the same species, with the changes occuring due to mutations and those mutations being locked in due to natural selection. The trouble is we have never documented in nature a beneficial mutation. All the mutations we see are harmful and natural selection selects against them. [/quote] What about when moths changed their colours after the industrial era? When they became darker to mesh with the dark tree's to hide from predators. Was this caused by a mutation? |
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#79 | ||
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Senior Member
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Please Evolution does not teach that we came from chimps or apes, just that humans chimps and apes come from a common ancestor. Sexual reproduction would occur only between members of the same species, with the changes occuring due to mutations and those mutations being locked in due to natural selection. The trouble is we have never documented in nature a beneficial mutation. All the mutations we see are harmful and natural selection selects against them. [/quote] http://www.sciencedaily.com/releases...0518075823.htm http://www.boston.com/news/science/a...d_after_split/ http://www.theage.com.au/news/nation...7545394809.htm 1.2 million years of inter-species sex, while roughly 1% of those encouters resulting in fertile offspring.......that should have had some influence on human evolution. Do you really think a caveman had a strict code of morality?l |
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#80 | |||
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Cyber Warrior
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There are white moths and dark moths and in between moths. All that changed was the ratios between the populations. There was no mutation what so ever and yet it is still used as an example of Evolution, when it is nothing of the sort. |
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#81 | |||
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van der Woodsen
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(Although in theory that then means it's evidence for survival of the fittest, also outlined in Darwin's Evolutionary Theory). And are we including survival of the sexiest in this? Because mutations have occurred (As far as I know) that is good evidence towards survival of the sexiest (E.g. Peacocks tail, although a hinderer in survival of fittest) |
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#82 | |||
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Cyber Warrior
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Survival of the fittest is somewhat circular in reasoning.
It is not survival of the strongest, but of those creatures that fit most into their environment and can go on to pass their genes on in reproducing. We then define a creature as fittest if it has been able to reproduce. |
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#83 | ||
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Senior Member
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Hundreds and thousands of years ago, yes brothers and sisters did in some cases get married and have relationships. I'm surprised people didn't know that - it was acceptable back then and of course in some cases considered more respectable because you were keeping genes within your own family. Of course, when I say this was a long time ago, I do mean a long time ago so it wouldn't affect the extent of the family tree people nowadays tend to have - it'd have been much longer before then!
As for why people have different coloured skin...different parts of the world have different climates and sun intensities. After a certain civilisation lives in a part of a world where it's sunny constantly, their skin would as a result turn darker. And then these genes would pass on to children, because the people who would survive to the age to have children would be the ones who have darker skin since they are coping better in the weather conditions as opposed to developing skin problems, perhaps cancers etc. We studied this in Biology last year, also looking at other similar principles e.g. fur colour on animals. So really, we're all the same but as different colonies have moved to different parts of the world, they in turn formed adaptations to suit where they lived. It's not like a random Chinese person appeared in China and so on - at least that's not what we're led to believe; it's a gradual thing in terms of human characteristics, and it makes a lot more sense that way! |
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#84 | ||
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Banned
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#85 | |||
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Jolly good
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If you accept that it seems logical to me that evolution is right - I mean you wouldn't expect everything to stay the same over hundreds of millions of years. |
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#86 | |||
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Cyber Warrior
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Oops, didn't see that when copying and pasting. When I saw that original presentation in Scotland, the preface about that grid was that the argument held if you believed in Adam and Eve or Mr and Mrs Austrolopithicus.
Anyhue wrt dating using radiometric rock methods, how it works and how they have to make a number of assumptions. If you get radioactive isotope, it is constantly decaying from the parent element to another element or isotope, called the daughter element. Over a certain time, half of the parent element decays into daughter element plus otherdecay products. This is called the half life, and with each halflife, the amount of parent element is halved. These decay rates are worked out in the laboratory. So what you do is get your rock in which the fossil is found, (note you can not date the exact fossil only the rock in which it is found), and you work out the ratios of parent element to daughter element and using horrendous math you get a date. So what are these assumptions 1) The clock hands must be set to zero at the start. Hang on how do we know that there was not daughter elements already presnt at time = zero - sorry! 2) The clock must be a closed system But what about the possibility of water leaching things in or out, what about parent or daughter elements migrating as it is known that they can - What if the fossil it self has migrated - sorry! 3) the Rate of the clock (The half life) is constant Quote:
Back in the 1980's there was an erruption at Mount St Helen's. Ten years after those new rocks were formed in that erruption, they were giving dates as if they were thousands of years old. Radio metric Rock dating has been shown to be unreliable and prone to giving false dates This article contains other methods for dating a Young Earth |
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#88 | ||
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Senior Member
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ooh, I got a good little debate going with the adam and eve thing lol.
No one has answered my other question tho! Why didn't the lions eat the zebras in noah's ark????? |
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#89 | ||
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Senior Member
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LOL, I'll answer your question with another question to you (bad etiquette in debates, I know!!)
What don't all the lions at the zoo eat the zebras? |
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#90 | |||
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Jolly good
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The first article is from a religious website and the author appears not to even hold a science degree. The article seems to be made up of bits and pieces of stuff that could probably be taken apart quite easily by anyone who knows the subject. Now when I was at university I was taught to always cite reliable sources - primary research. Quote:
There are millions of different species on the Earth. It would have needed laboratories to hold all the single-celled organisms and fungi and stuff like that. |
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#91 | ||
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Senior Member
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#92 | ||
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Banned
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#93 | ||
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Senior Member
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Another thing, the whole point of the flood was to get rid of all the wicked people living on earth...
If god is so powerful, why make noah go to all that trouble, why not just make all wicked people drop down dead or each one get zapped by lightning, the flood just seems abit extra... seeing as it would have ruined houses and nature (like trees and stuff) |
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#94 | ||
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Senior Member
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did they? |
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#95 | |||
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Cyber Warrior
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This related article is from someone I have met, and who was a food Microbiologist and therefore was a practising scientist.
The ealier article did give references which could be checked, so why is it less reliable? Wrt the ark, if you measure it out, it was quite huge, and its ratios off HxLxW are the perfect ratios for a boat built for sea worthyness. These ratios were borrowed in WWII for an American supply ship nicknamed the "Ugly Duckling". The question is, how did the writer know these ratios? Any hue, who said the animals in the ark had to be fully grown adults? |
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#96 | ||
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Senior Member
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They still need to eat. |
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#97 | |||
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Cyber Warrior
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But how many two year old todlers can wolf down a massive fry up cooked for a 15 stone he-man?
Plus I did mention that meat eating may have come in after the flood, given Genesis 9:3 |
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#98 | ||
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Senior Member
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Okay, so did they eat the mouses or rabbits then? |
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#99 | ||
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Senior Member
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Take a look at this for more info on the detail of the ark: http://www.apologeticspress.org/articles/2655 |
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#100 | |||
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Senior Member
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