You've got a few holes in there.
Yes, the earth is billions of years old, and compared to certain animals (ie Sharks) and the earth itself man is VERY new. There are certain different theories about if man came from apes (or chimpanzees) but mostly it is believed to be true (you can find research on that through mostly any search engine).
The evolution theory also uses different theories like Survival of the Fittest. Where the strongest genes, and the strongest species will survive. Usually mates are chosen on the strongest, or those who are weaker will eventually die (along with the weaker genes). This means that only the strongest genes will pass on through the generations.
Also adaptation is a imporantant concept. This is where Darwin's finchs come into play. He found several different types of finches that had different beaks but were ultimately the same bird. These beaks were adapted to the type of food that was avaliable on the island they were living. So as they adapted, they were able to survive. Not a different species really, but a different type.
Species evolution can happen through several different ways. Random gene mutation (and then survival of that gene) or interbreeding (see liger). These genes that are passed on through generations is what eventually makes this world such a diverse place to live.
This is a pretty general answer, if you have anymore questions look at something like www.wikipedia.com, or any encyclopedia. There's a lot of modern research done on this.
2006-12-22 13:09:27
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answer #1
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answered by mode_of_transportation 2
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No,it was't quite like that!
Though, you were on the right track with your first two statments.
All species evolved,whether we like the thought or not,from very simple life forms.
Mans closest relative in the wild kingdom is the ape.
When you look at some people you can see the
the likeness.
Some species have got smaller with evolution and some larger and more refined.
Man is taller and of more defined build now than at anytime, in the species history of evolution.
Regarding the horse,and the earliest animals that have been identified as equine.They were about the size of a small to medium size dog,now look at the varation of sizes shapes etc.
All animals, reptiles plants etc. have gone through many changes since the begining of evolution.
In comparison to a lot of other life forms, man is indeed a relative new comer.
Maybe, we can use that as our excuse, that we have such a lot to learn about our world,nature and ourselves.
2006-12-21 19:47:41
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answer #2
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answered by sistablu...Maat 7
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The Earth is billions of years old, and humans and other apes evolved from a common ancestor.
As for the last one, there is no reason for it to be one or the other all the time for every species. Some things evolved quickly, some things probably slowely.
"Spontaneous" simply means we don't know what caused it.
2006-12-21 20:07:18
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answer #3
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answered by minuteblue 6
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Species evolve very slowly from other species. They become other species over many years, as an adaptation to changes in the environment or other pressure. This is the basis of natural selection. Spontaneous evolution does not occur from one species into another. If it did occur, who would the particular individual mate with? Genetic changes which are large enough to cause such mutations are generally not viable.
2006-12-21 20:37:08
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answer #4
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answered by Labsci 7
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The idea that species arose quickly ws invented by Stephen Gould, a prominent evolutionist, and he called it punctuated equilibrium.
http://www.answersingenesis.org/tj/v8/i2/punct.asp
He saw that the fossil record does not show gradual evolution which is what Darwin had predicted. The problem is he couldn't come up with a mechanism for changes to happen fast - so it's an idea without evidence. Same as the standard evolutionary hypothesis!
There is no evidence that any plant or animal has ever changed into a different kind of plant or animal. We observe variation within kinds - called natural selection. For example Lions and Tigers can interbreed and are different varieties of 'big cat'.
http://www.creationontheweb.com/content/view/271
As for the earth being billions of years old - well most evidence actually suggests that the earth is thousands of years old - rather inconvenient for evolutionists so they ignore it:
http://www.answersingenesis.org/home/area/faq/young.asp
2006-12-22 03:30:43
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answer #5
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answered by a Real Truthseeker 7
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You and ‘curlies_hippo’ gal are right but only partly; there are 2 extreme points of view on evolution: 1- it is slow and unnoticeable; 2 – it is abrupt and sudden; I think the evolution takes both ways. The live examples could be given for both.
/1/ There is zoological notion of species chauvinism. This implies slow evolution and separation from the original parent species.
\2\ and there are also well known mutations;
yet both imply a parent species!
2006-12-21 19:28:30
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answer #6
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answered by Anonymous
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Sounds about right to me. New species do appear suddenly. Species become separate when they can no longer breed together to form viable offspring. Like a horse and a donkey are different species because when they breed they make a mule, which can't have any young. So there comes a point when a single mutation can make two animals unable to breed, and then a new species has been "suddenly born," as you say.
2006-12-21 19:01:03
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answer #7
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answered by Anonymous
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Your proposition places forward the thought that each and every person theories are created equivalent, or that evolution has the comparable high quality of info as drugs or aerodynamics. apart from you fail to nicely known that the thought of evolution aspects no longer real useful earnings to the international whilst in comparison with drugs, or aerospace or different sciences and for this reason evolutionary scientists bringing no longer something of fee to the table, have a lots better incentive for hyperbole, exaggeration and fabrication. I have faith technology practiced actual to the medical technique, yet scientists are people and people are often happening to lie, especially if their livelihood relies upon on it. on your final sarcasm, surely i do no longer enroll in any faith, through fact I carry ministers of prepared religions with lots the comparable regard as ministers of the Church of the vast Bang and Ministers of the Church of Darwin. In all 3 examples those people do no longer produce any products or centers of fee. I do in spite of the shown fact that carry non secular ministers with a comparatively bigger regard than those linked with medical dogmas, a minimum of they stay off voluntary donations somewhat than misappropriated tax money and coaching expenses.
2016-10-15 10:24:52
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answer #8
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answered by ? 4
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Bullseye, except the suddenly part. Most changes were subtle, but occasionally a radical change would ripple through a population and become predominant in a few generations.
2006-12-22 14:54:41
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answer #9
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answered by novangelis 7
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it wasn't suddenly born it slowly came to existence
2006-12-21 18:43:24
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answer #10
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answered by lifirenk 1
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