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Natural selection is when species learn to adapt to their environment. They could (1) differential reproduction, that is, not all organisms are able to reproduce to their fullest capacity because nature cannot simply sustain it and (2) acquire genes, that is heredity. Certain characteristics of organisms tend to survive if it continues to strive. If it survives, this trait is passed down to the next generations forgetting the other traits but only the one who could survive the environment. Therefore it is true that natural selection is when ‘organisms inherit advantageous traits, and tend to reproduce more successfully than other organisms’. One best example is the extinction of other animals and some with the same species retains.
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One example is the snowy white owl. It came from the forest and rested and lived near a town. In the town, there was a lot of pollution, so the snowy owl evolved to become more blended with pollution and smoke, a brown or black color. So now, the snowy owls were technically extinct by natural selection and the darker shades of owls survived because of their adaptation to the environment and the color of their feathers. 

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