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Evolution Debate

Evolution vs. Creation

The biggest questions I have about evolution are the genetic mutations that started the first vascular systems, the heart, organs like that. In order for evolution to occur, there has to be a genetic mutation from a parent that is beneficial to the species, and then for the parent to pass that mutation down to offspring. My question is, how did the first vascular system begin? It would have been a long and drawn out process to create an entire vascular system for an organism. If it started off slowly, just one little piece of the vascular system at a time, did the organism know that in a few million years it would have an entire vascular system? And did the other essential organs develop this way too? Being essentially useless for millions of years before they were fully developed? This has never made sense to me. How can you go from a prokaryotic cell to an organism with a beating heart. Another thing I have wondered is when would it be beneficial for a marine animal to begin to develop the traits of a land animal? Evolution teaches that the traits that an organism acquires during evolution must be beneficial for the animal keep that trait. Land and sea animals are VASTLY different, so for a sea animal to poke its head out of the water everyday, then air breathing lungs begin to develop over millions of years, just seems preposterous to me.  (Jul 12, 2013 | post #95231)

Evolution Debate

Evolution vs. Creation

The biggest questions I have about evolution are the genetic mutations that started the first vascular systems, the heart, organs like that. In order for evolution to occur, there has to be a genetic mutation from a parent that is beneficial to the species, and then for the parent to pass that mutation down to offspring. My question is, how did the first vascular system begin? It would have been a long and drawn out process to create an entire vascular system for an organism. If it started off slowly, just one little piece of the vascular system at a time, did the organism know that in a few million years it would have an entire vascular system? And did the other essential organs develop this way too? Being essentially useless for millions of years before they were fully developed? This has never made sense to me. How can you go from a prokaryotic cell to an organism with a beating heart. Another thing I have wondered is when would it be beneficial for a marine animal to begin to develop the traits of a land animal? Evolution teaches that the traits that an organism acquires during evolution must be beneficial for the animal keep that trait. Land and sea animals are VASTLY different, so for a sea animal to poke its head out of the water everyday, then air breathing lungs begin to develop over millions of years, just seems preposterous to me.  (Jul 12, 2013 | post #95230)