03 darwin's origin of species
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Darwin's Origin of Species introduced the theory of evolution by natural selection, where nature favors the reproductive success of certain individuals over others, resulting in evolution over many generations. Natural selection describes how adaptations develop that make a species suited for survival and reproductive success in its environment, as seen in Darwin's example of the evolution of large-billed finches on the Galapagos Islands. While Spencer coined the term "survival of the fittest" to describe natural selection, fitness relates to reproductive success rather than physical strength.
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03 darwin's origin of species
- 1. Darwin’s Origin of Species
- 2. Theory of Evolution by Natural Selection • Natural Selection: nature favours the reproductive success of certain individuals over others • Evolution is the result of natural selection occurring over many generations
- 4. Spencer’s Survival of the Fittest • Used to describe process of natural selection • Misleading • Fitness relates to reproductive success, not physical fitness Adaptation • Characteristic or feature of a species that makes it suited for survival or reproductive success in its environment
- 5. Evolution of large-billed finches
- 6. Evolution of large-billed finches
- 7. Evolution of large-billed finches
- 8. Evolution of large-billed finches