Wake up to reality is all about natural selection

16 hours ago 4

Natural selection is a fundamental mechanism of evolution, first described by Charles Darwin. It explains how traits that increase an organism's chances of survival and reproduction tend to become more common in a population over time. Here's how it works:

  1. Variation: Within a population, individuals have variations in their traits. These differences are often due to genetic mutations, recombination, or other factors.
  2. Differential Survival and Reproduction: Some traits make individuals better suited to their environment, allowing them to survive longer and reproduce more than others.
  3. Inheritance: Traits that enhance survival and reproduction are more likely to be passed on to the next generation.
  4. Adaptation: Over generations, these advantageous traits become more common in the population, leading to a better fit between the population and its environment.

Natural selection acts on phenotypes (observable characteristics), but it ultimately influences the genetic makeup of populations. It is one of the key mechanisms that drive evolution, along with mutation, genetic drift, and gene flow.

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