natural selection
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- University of Utah - Learn.Genetics - How Natural Selection Works
- Biology LibreTexts - Natural Selection
- Stanford Encyclopedia of Philosophy - Natural Selection
- National Center for Biotechnology Information - PubMed Central - Natural Selection or Adaptation to Nature
- NeoK12 - Educational Videos and Games for School Kids - Natural Selection
- Natural History Museum - What is natural selection?
natural selection, process that results in the adaptation of an organism to its environment by means of selectively reproducing changes in its genotype, or genetic constitution. A brief treatment of natural selection follows. For full treatment, see evolution: The concept of natural selection. In natural selection, those variations in the genotype (the entire complex of genes inherited from both parents) that increase an organism’s chances of survival and procreation are preserved and multiplied from generation to generation at the expense of less advantageous variations. Evolution often occurs as a consequence of this process. Natural selection may arise from differences in ...(100 of 387 words)