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it's an extremely slow process
Originally posted by randyvs
reply to post by SpearMint
it's an extremely slow process
Well you practically said it yourself OP. I thought you would agree.
Originally posted by randyvs
reply to post by SpearMint
Process-
a continuous action, operation, or series of changes taking place in a definite manner:
So by it's own definition the word process already suggests something that happens very slowly.
What you really said was, " An extremely slow process " Am I wrong about anything so far ? Negative.
Sorry. But that's exactly what you said.
Originally posted by milominderbinder
There's no evidence for "macro-evolution", huh? Have you ever heard of creatures called "dogs"?
Or are we going to try the tired-ass argument that a "breed" isn't a species? If dogs, wolves. foxes are different "species" then so are Mastiff's and Chihuahuas.
Below are some other links to academic papers which clearly and indisputably establish that macro evolution occurs, has been witnessed, and can even be reproduced.
Macro-Evolution Article
Macroevolution refers generally to the formation of major groups of organisms from other groups that are distinctly different. For example, the evolution of mammals from earlier non-mammalian tetrapods, or the evolution of whales from terrestrial mammals. The mechanism for this process is generally considered to be the same as for microevolution, but carried on accumulatively over many millions of years, resulting in the ever-increasing diversity of life we see today.
Three-Spined Sticklebacks
“This is very surprising because these species are fairly closely related,” even though they diverged 13 million years ago, Shapiro says, noting that “mammals have not changed their sex-determination mechanism in more than 150 million years.”
Originally posted by CloonBerg
reply to post by Lionhearte
I would like you to stop referring to evolution as being my “god” or my religion. My religion is completely separate from evolution. Comparing evolution to religion is ridiculous, two completely different things. One can believe in god, religion, and in evolution.
It's not unfair, it's observable science. If it doesn't happen, we can take a leap of faith and say that, "well, perhaps it didn't work this time because of X-theory or Y-theory, we'll just leave it at that," sure, I'll give you that. Yet if it continues to happen, eventually you'll either need to change the theory, or drop it. I'd like to see this article, if you could provide one, please.
The bacteria study is interesting. But to claim macro-evolution doesn’t occur based on one study is not fair, especially since macro-evolution can take a long time to occur. I have read of a study just like what you posted, in which macro-evolution did occur.
..that's a leap of faith, and should not be considered science. It's speculative, sure. As I said before, "given enough time" seems to be the excuse over and over again.
Macro-evolution is really just a large accumulation of micro-evolutions leading to speciation. When you look at macro-evolution, you look at the drastic changes. The accumulation of small changes eventually becomes a big change over a long period of time.
I'm not entirely sure what you're trying to state here - it seems to me that you are saying that Evolution is slowing down, because there is not a drastic need for it? I really hope not, please correct me if I'm wrong. I'd really like to be able to see pigs fly one day.
Sexual reproduction is much more complex, and it comes with its rewards. Increased Variation. With more variation comes a better chance of a creature that has an edge in fitness occurring. All it takes is the smallest edge in fitness for the mutation take (if the conditions are right). This increase in variation is even more important for more sexual reproducers, because the time between generations if much longer than say E. coli.
The best way for drastic macro-evolution to occur is when there are niches that are unoccupied. Fish won’t be likely to evolve to walk on land, because the niche it would move into is likely already filled by other creatures that have evolved to specialize in it. However when there were no land animals, if a fish were to mutate and be able to live on land, there is no competition. The fish will thrive even if it would otherwise die in the water.
Prokaryotic cells are much more limited in what they can do. Saying that mutations being naturally selected within eukaryotes must be more efficient than prokaryotes is ridiculous when you factor in the fact that prokaryotes are much more limited as far as what they can do than eukaryotes.
Originally posted by milominderbinder
1) It is based on observation and experiment
2) If observations and experiments continue to support the theory, it may become widely accepted
3) If it becomes widely accepted, it may be used to explain and possibly predict natural phenomena.
There's 0 evidence for creationism & god, and the ONLY people that believe in it are religious (that says a lot right there). Also, most people that are highly educated understand and accept evolution (I almost feel silly saying "believe in evolution", because its not a belief its reality). The people with the best brainpower making cutting edge advancements in technology mostly accept evolution (That says a lot too).
Originally posted by randyvs
reply to post by SpearMint
Process-
a continuous action, operation, or series of changes taking place in a definite manner:
So by it's own definition the word process already suggests something that happens very slowly.
What you really said was, " An extremely slow process " Am I wrong about anything so far ? Negative.
Sorry. But that's exactly what you said.
Originally posted by AwakeinNM
reply to post by Lionhearte
Very thoroughly explained and referenced. Much more so than the OP. Unfortunately, you have a cross as your avatar, so the OP will simply disregard your post as religious zealotry. Pity he's so ignorant.
edit on 23-5-2012 by AwakeinNM because: (no reason given)
Originally posted by n00bUK
Goosebumps - useful if we had fur because it would fluff up and make more insulation. Good for people who had fur but for us goosebumps are useless.