In the National Academy of Science booklet, "Science and Creationism" , in the selection called "Evidence Supporting Biological Evolution" ; anyone hoping to find evidence for the theory of evolution will suffer a grave disappointment. The chapter contains subjects which evolutionists never cease repeating like a mantra, even though their invalidity has been proven time and time again.Naturally enough, "natural selection", regarded as one of the fundamental mechanisms of evolution, heads the list of these mantras.
The correct definition of natural selection, which was known well before Darwin, is this: Those living things whose features are best suited to the conditions in their surroundings naturally have a better chance of survival. For instance, in a place where winters are long and the ground remains covered with snow for extended periods, white-furred rabbits will be better camouflaged and fall prey to predators less often than darker ones, giving them a greater chance of surviving, and thus of reproducing. This being the case, the proportion of white-furred rabbits in the population will keep rising, while the relative number of dark-furred rabbits will decline. To give another example, in a herd of zebras which constantly have to flee from lions, those which run fastest will survive while the others die. Since fast runners will survive in every generation, the herd will come to consist of nothing but fast runners in a few generations' time.
That is the definition of natural selection: the best-adapted survive, while the others are eliminated. That is why the species in question continues to become ever better adapted. This may not always apply, of course. For example, in an area where the climate is changing and the snow covering is disappearing, the white rabbits would suddenly be at a disadvantage compared to dark rabbits, and so, having now become poorly adapted, they would be doomed to disappear. Therefore, natural selection cannot always be expected to select the same features for a given species.
Evolutionists, however, believe that natural selection selects and gradually accumulates the same features in a species over millions of years, acting on variation within a species and then somehow giving rise to entirely different species. The fact is, however, that even if natural selection did always select the same characteristics, this would only lead to the improvement of certain features in living species by spreading advantageous characteristics throughout the whole population. It could not lead to these beings' acquiring totally new characteristics. Much less, then, could it afford them the opportunity to turn into other species.
Rabbits always remain rabbits, and zebras remain zebras. That is because the genetic pool (genome) of a species prevents it from turning into another one. A species can only change to the extent permitted by its genes.
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