Well you see Nelle, a mutation is brand new genetic information. Every time genes recombine they make little mistakes, mutations, this (as well as the actual recombination itself) is what creates genetic diversity. Within a randomly breeding population individuals will be different from each other. If environmental conditions change in some way (for example there is a new predator or disease or there is a change in the climate) the more variation there is within a population the higher the chance that some individuals will have characteristics that will help them survive in the changed conditions. All individuals that do not have the required characteristic do not successfully breed (or survive) and pass on their genes. A new population that exists in the changed conditions is founded by individuals that had the characteristic that was required for successful survival and reproduction, because they are the ones that passed on their genetic information.
If one species is split into multiple populations they may be experiencing different environmental conditions that drive this adaptation. Over a very long period of time, these different populations can become different species. Before they become different species there are lots of steps along the way and this is what I have experience in working with, distinct populations, subspecies, forms, varieties. Provence is a huge issue in the bush regeneration industry. When you revegetate an area, from where do you get the plant material you need to propagate the plants? How much material do you take to maximise genetic diversity? How can you ever hope to replicate a natural ecosystem (unfortunately, we can't even begin to come close but that's a whole other story). At least by having an understanding of our ecological impact, we can understand how precious and irreplaceable the biodiversity that we have left is.
Ahhh far out Nelle, I fear I have made absolutely no sense at all.
And I just wanted to reiterate that for me evolution is not a belief, it just is. To me, saying "Do you believe in evolution?" would be like saying to a medical professional "Do you believe in Gray's Anatomy?".




). At least by having an understanding of our ecological impact, we can understand how precious and irreplaceable the biodiversity that we have left is.
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I TBH I don't really understand what you're talking about?
Sorry. I'm just sharing, with anyone who is reading, my experience as a bushland manager (and teacher) and how endangered species, populations and ecosystems are managed. And I guess I would also like to say that I live and breathe this, I have dedicated my life and career to it. I'm happy to answer any questions, I’m not taking anything as argumentative, just genuinely interested.

) can accept the adaptation bit, but you don't accept that adaptation goes so far as the creation of new species. Sure. 

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