evolution

    Cards (7)

    • Evolution
      The theory that all species of life have evolved over time from common ancestors through the process of natural selection
    • Natural selection
      The process by which biological traits become either more or less common in a population based on their relative fitness
    • Genes control many of the characteristics of organisms and can be passed to offspring
    • Sexual reproduction
      Gives rise to an enormous amount of variation
    • Favourable characteristics
      Give an organism an advantage in survival and reproduction
    • Survival of the fittest
      Organisms that survive in a world of competition are those best adapted to their environment
    • Natural selection
      Best adapted individuals are those that are not killed off and reproduce, passing on their genes
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