I am a 3rd undergraduate and am doing a bio major. But for large changes to occur there has to be a small population. Smaller populations have a smaller gene pool which leads to many more mutations. I think on the scale that you are referring to there would have to be an extinction of species. This would lead to many micro populations to have mutAtions leading all leading to a larger, more stabilized gene pool. There are also two ways these extinctions can occur and they are known as contingency and convergence these are left up to chance and not controllable. Also natural selection is the mechanism for which evolution can work. There are many, many different variations of natural selection ex. Survival of the fittest, mutation, sexual selection, convergence, contingency, etc...
Very cool post though I enjoy learning what people have to say on this subject as long as there answer isn't God created everything
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Edited by SSG ACM: 5/28/2015 5:03:21 AMI study biology, but I disagree with how mutations and natural selection can coexist. I do realize that you as well as other atheists I know *whisper-cough* Britton *whisper-cough* understand it to be fully inerrant; whereas, I notice some flaws. I realize that if we end up debating the subject, neither of us would want to continue any other further conversation, but that's expected. Yes, I believe God created everything or at least everything manifested from Him since I believe that an infinite cause is necessary for finite things to even have the possibility of existence. I do realize you say to yourself, "Foolishness." I know, but I believe what I believe from discerning what I know. You, probably from a textbook, and every person's prolific desire to avoid submission and modesty. I do indeed hope for you to have a good day in your studies.[spoiler]Wow, I just realized that you posted this a long time ago. Where was I?[/spoiler]
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The thing about the smaller population is true to an extent. It will lead to more mutations via DNA, could possibly be missense, deletion, or even nonsense mutations. However, mutations are mostly bad as a blanket statement. There are some good ones here and there. Even though I'm religious, I'm letting my religion take a backseat to recorded observations and tried and true hypotheses. It's really weird, biology. It's a great general field to study, but it's also very complicated and can't really be summed up in one sentence. 10000 characters on here would easily scratch the bare surface, but that would be with too much summation and not enough detail.
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Right? Biology is awesome. My preference is the ecological aspects. There's so much to learn and even more to discover.
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I have a personal preference towards microbiology. I enjoy studying bacteria and diseases for the main part, but I have been looking more towards radiation and the effects it'll have on cells and DNA. I also took what I learned in micro and started making beer with my dad. Great bonding time both in the process of making it, and testing it.
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That's awesome. I was a park ranger for 3 years and a forest ranger for 3 more. So ecosystems are my thing. I especially find the role fire plays in them very interesting.