WidowMakers wrote:
Evolution is nothing but a large number of small adaptations. Wrong.
Because the blind fish are not gaining genetic information. They are losing it. Natural selection at work.
How so? Sure, they're losing the genes responsible for eye growth, but they are also
gaining genes responsible for salt resistence and the digestion of a different diet.
WidowMakers wrote:
A group of fish went down into the cave. They continued to grow. Fish were born with varying levels of eyesight (like humans are as well). Since the fish who were blind never needed to rely on sight to live, they flourished. Those who needed to see to hunt or defend themselves, died. Over time, the blind fish would be the only fish left to breed and make mroe fish. Thus a whole bunch of blind fish because the genetic pool has lost the information to see.
Genetic information will rarely, if ever, be lost. The development of eyes will merely be relegated to a regressive gene. You'll still end up with occasional throwbacks with partly or fully developed eyes.
WidowMakers wrote:
Over time taking away information (natural selection) does not improve the overall genetic code of a creature or plant. It LOWERS IT.
Thus adaptation, while beneficial to the creature now, does not account for an increase in information needed to evolve to a higher state of species.
If downward was the only possible way, why do we see creatures of such complexity today? Surely after a few billion years (I don't think anyone here is suggesting evolution or adaptation can take place on creationist timescales) of downgrading, life would consist of little more than bacteria?
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The Rogue State!