Ok. So we know that evolution acts on a species not an individual. It can select (for or against) an individual (this is darwinian). Keeping that in mind; wouldn't the mover starve to death if he took a vacation (brumation) and couldn't pick up large enough prey items. ...sorry; that doesn't make sense I know but I'm a bit lost on this use it or lose it theory. Please, expound on this.

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