Definition, Meaning & Synonyms

natural selection

noun
/ˈnæʧ.ər.əl sɪˈlɛk.ʃən/
Definition
Natural selection is the process by which organisms that are better adapted to their environment tend to survive and produce more offspring.
Examples
  • Natural selection plays a key role in evolution.
  • The giraffe’s long neck is a result of natural selection, allowing it to reach high leaves for food.
  • Darwin’s theory of natural selection revolutionized biology.
Meaning
This concept explains how certain traits become more common in a population due to the advantages they provide in a specific environment.
Synonyms
  • Survival of the fittest
  • Evolutionary selection
  • Adaptive evolution