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For example, if all the beetles in a population were between one and two centime- ters in length and there was selection for larger beetles, it could take five hundred generations be- fore all beetles were larger than two centimeters. Also, the direction of selection may change from one generation to the next, so that no net change occurs.
If these findings are any indication....I'd say people haven't seen much of anything change from the fruit fly..and as evidenced, computer models full steam ahead.
[url=http://www.rochester.edu/news/show.php?id=48]
If these findings are any indication....I'd say people haven't seen much of anything change from the fruit fly..and as evidenced, computer models full steam ahead.
I was thinking of much shorter life spans in order for better observations. Introduce various sets of variables, observe any generational changes much easier.
Interesting that you picked length of beetles as an example. Would general things like weight change, height, etc apply as well?
I was thinking of much shorter life spans in order for better observations. Introduce various sets of variables, observe any generational changes much easier.
Interesting that you picked length of beetles as an example. Would general things like weight change, height, etc apply as well?
Well..if anything, beetles lend themselves to the argument of natural selection being, relatively, readily observable at the micro level.
Can't stick around for 1000-5000 years to observe possible changes.
That was my point in regards to Jaymaxs "infection analogy"
Quote:
Anyway, are you saying that possible beetle height, weight, length changes are an observable event of evolution?
In todays world of advanced archiving capabilities? Yes..we can document every and anything witb visual evidence pretty much. But we also live in a world where anything can be doctored.
Well, let's assume things aren't being doctored. But what do you mean "doctored"?
Photos
Emails
Video
Audio
Anything can be made to appear what it is, in fact, not.
Men can become women with surgical advances and it's becoming so refined that the naked eye cannot discern.
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