Whoa! Whoa! dhw take notice!!! (The limitations of science)

by xeno6696 , Sonoran Desert, Monday, April 21, 2014, 01:56 (3868 days ago) @ David Turell

Romansh: I simply cannot see how an asteroid crashing into the earth can be called Natural Selection. 
> > 
> > For me natural selection and the environment are inseparable. 
> > 
> > Asteroids are major step changes in the environment, 
> > 
> > and evolution could be considered an incremental change, ie the flora and fauna within an ecosystem change slowly. A biological entity shapes its environment (not intentionally)and that environment in turn shapes the entity's evolution.
> 
> The problem is interpreting and defining where in a time sequence does natural selection take place. I agree that an asteroid is part of a process of various changes that can end up challenging survival. As I see it, there must be changes in competition and in environment, then adaptations, and then finally as a result of competition, survival of some phenotypes. I view natural selection only as the competition/survival part of the process.-Addressing the red claim: -This isn't a problem. Natural selection takes place at any given instance where a collection of organisms is being stressed. This can be as trivial as a herd of cattle being forced to eat new plants... some of which are poisonous. -Please note, I think that overall, there are at least four levels of selection present in nature, Natural Selection being the one at the lowest level. -More on that after I get more time...

--
\"Why is it, Master, that ascetics fight with ascetics?\"

\"It is, brahmin, because of attachment to views, adherence to views, fixation on views, addiction to views, obsession with views, holding firmly to views that ascetics fight with ascetics.\"