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@TheDredPriateRoberts
from what I have read, evolution is a new/different organism or characteristic than the parent species, to become better, more complex, go up, de-evolve would be the opposite.
I'm not sure this is exactly right: species don't evolve for the reasons bolded. There are no 'better' species. There are species that are better adapted to their environment, sure, but they aren't trying to 'go up' anything. Evolution gives a reproductive advantage to certain arrangements of DNA well before speciation occurs. Take an example of squirrels and foxes, very simply. Squirrels and foxes reproduce, and only the ones that are alive do so, right? Say you have 10 squirrels. 5 are faster than the other 5. And two foxes much faster than the other eight. The faster foxes pick off the slower squirrels first, because they're faster than the slow foxes AND the slow squirrels. This means the slow foxes don't have the same level of energy as the faster ones, which means the next time they're competing for the same squirrel, they can't keep up, and the fast foxes eat their lunch again. The problem continues until such time as the 8 slow foxes die of starvation. Some random mutation led to a slightly faster fox, and now the slower foxes have been squeezed out via natural selection. The two faster foxes reproduce with each other, and the genes that made them faster are passed on (presuming they are not mutated in reproduction). But what of the squirrels? The first squirrels to die are the slower ones, right? QUickly too, since both the faster fox and the slower fox can catch them. But once the faster foxes proliferate, they eat the slower squirrels, leaving only the squirrels that are more difficult to catch. If the squirrels are TOO fast for the foxes, the foxes will either go extinct, or some mutation in their DNA will either speed them up or improve their camouflage or let them eat something else. It's important to remember that you're talking about unobservable changes generation to generation, for the most part. In order to truly observe this in nature, you'd need THOUSANDS of years and tens of thousands of generations. So how do we know it happens, how does science prove it? Google "observable speciation" and you'll get a bunch of examples.
If evolution were true, wouldn't scientists be able to recreate the sequence of change that transformed monkeys into humans?
Scientists can know where in the gene sequence we differ from anything with DNA. Are you asking why is there no scientific experiment wherein a scientist takes a monkey, manipulates its genetic code, and it wakes up a man / gives birth to a human? That transformation happened over tens of thousands of years, maybe hundreds of thousands. We observe genetic mutation every single day, it's how new diseases come to be, for example. Maybe I misunderstand what you're looking for.
And in a broader sense, it does not seem the universe could have created itself arbitrarily and still be completely, totally, and in every regard, systematic.
This is arguing from incredulity, but it also mischaracterizes the universe. While the universe is predictable in its behavior for the most part, it's a chaotic mess if you take a look at the larger picture. Black holes defying the laws of physics, stars exploding and crunching up spacetime, stuff running into each other all over the place, unimaginable distances for no discernible 'systemic' reason...the universe is far from orderly, which is what I think you mean by systemic in that case.