Being biologically fit means having traits that increase an organism's chances of survival and reproduction in its environment. Natural selection occurs as individuals with advantageous traits are more likely to survive, reproduce, and pass on those traits to their offspring, leading to an increase in the frequency of those traits in the population over time.
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Biological fitness refers to possessing characteristics that enhance an organism's ability to survive and reproduce in its environment. This trait leads to natural selection, where individuals with these beneficial traits are more likely to pass them on to their offspring. Over time, this results in the increased prevalence of these advantageous traits in the population.
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