tas8831
Well-Known Member
I don't think you understood what he wrote.you just conceded the entire discussion....
thank you
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I don't think you understood what he wrote.you just conceded the entire discussion....
thank you
OK, selecting what?
I might suggest you peruse this site for a bit:Okay. Then explain how evolution is not accidental - using natural selection.
we saddle and bridle horses .....break their 'spirit'You still have not clarified this post. But then maybe you cants. I am still interested in the phrase " I eat the lesser forms"? "The lesser forms in the physical support this form in the physical" I suspect you are trying to place yourself above others but keeping it cryptic. Which is lesser the one that can support life or the one that can only consume life? Nothing is lesser when we are dependent on each other. That would truly be arrogance without understanding.
oh yes I didI don't think you understood what he wrote.
You cannot show you have smaller ears or are taller because of a mutation. When you mix two different things together at roughly 50/50 you get variation. Interracial breeding is a good example.Natural selection doesn't have an 'end goal'.
Every off-spring has mutations, are you the same as your mum or dad? No, there will be differences, I have smaller ears than my Dad but I am taller. If I compare with my Grandfathers I am even more different, the last one I have a photo of is my Great granddad and the difference is even more stark. So the species is changing over time, and those changes are random in so much as you don't know what the changes might be.
But it is then that natural selection comes in. I the changes I've described in my family tree the changes are quite benign and will make little difference although you may argue that me being taller helped me get a mate.
However, let us look at giraffes; in the plains of Africa, food is scarce and the animals that have the longest necks can reach the most food. So when a random mutation gives an off-spring a slightly longer neck that off-spring does well. His brother may have been unlucky and had a mutation that gave him a shorter neck - maybe he died early because of starvation. So only longer necked animals are successful and breed.
Yes variations occur, here's the proof
Where do you think those differences came from in the first place?You cannot show you have smaller ears or are taller because of a mutation. When you mix two different things together at roughly 50/50 you get variation. Interracial breeding is a good example.
On the giraffes, if the food is so scarce and hard to reach that longer necks are needed to survive, adolescent giraffes(it take a 4 years to reach full grown), that are shorter would never reach adult hood because they would be starved out by adults.
Wow! We see variation in almost all species. If there was no variation there would be no need for genetic matching of people waiting for organ transplants.
variation exists. We don't all run at the same speed. We don't all have the same ability to lift weights. Name and trait and it will be varied.
DNA is not a"mixture". Once again, where do you think the variations came from?DNA is our chemical structure. Mix any two together and you change the structure. You call it mutations when its nothing but a variation from the original. Its the result of mixing two different DNA's. Mixing two of anything gives variation. You are a mixture of your parents. You are a variation of what your parents are due to the mixture of their DNA. No mutations needed.
Salt isn't a mutation of sodium and chlorine, its a mixture of both chemicals. No mutation needed.
DNA is not a"mixture". Once again, where do you think the variations came from?
You really have no clue. Learn what DNA is and then join the discussion.Your DNA is not a mixture of your parents? DNA is a mixture of chemicals. You are a variation of your parents. No mutation needed.
Salt is not a mutation of sodium and chlorine. Its a mixture of those chemicals.
You really have no clue. Learn what DNA is and then join the discussion.
You really have no clue. Learn what DNA is and then join the discussion.
Wrong try again.DNA is nothing but a chemical mixture, a chemical structure. Mix any two different DNA's together and you get a chemical variation. No mutations needed.
No one said that it is. I asked you where the variations that we can see came from and you told me that you have no clue at all as to what DNA is.DNA isn't magical. Its nothing more than a chemical mixture, a chemical structure. When you mix chemicals, you get variation. No mutation needed.
By definition is DNA life or part of the chemical reaction we call life?
No one said that it is. I asked you where the variations that we can see came from and you told me that you have no clue at all as to what DNA is.
Don't be dishonest. I told you exactly what DNA is. Its a chemical structure. Its not magical.
Mix two different things together and you get a variation. Each of your parents' DNA is slightly different. Their DNA mixed to produce you. You are a variation of your parents. No mutation needed.
You have no clue and you cannot answer questions. DNA is not a "mixture". There are discreet genes within DNA. You cannot mix genes. And the DNA that you received from your parents has on the order of one hundred mutations in it.
DNA is our chemical structure. Mix any two together and you change the structure. You call it mutations when its nothing but a variation from the original. Its the result of mixing two different DNA's. Mixing two of anything gives variation. You are a mixture of your parents. You are a variation of what your parents are due to the mixture of their DNA. No mutations needed.
Salt isn't a mutation of sodium and chlorine, its a mixture of both chemicals. No mutation needed.