We have two reasons to say evolution is fact: First, all the patterns we observe in nature point towards a nearly four billion year long history of evolution of life on earth. Putting a fancy word on it, Consilience - all points towards evolution. Multiple independent lines of evidence (from classification, development, fossil record, molecular biology etc.) all point to the evolution of a branched evolutionary tree of life. Second, the anatomy and biochemistry of organisms is filled with quirky features, things that only make sense as artifacts of history - artifacts of evolution. Again, putting a fancy term on it this is Dissonance. All together go to show evolution as observational fact of nature.
| Pages in this section |
| Fact | Evolution of the Panda's thumb |
| Snail soft parts | |
| Eyes and the argument from design | |
| Quiz | |
| Theory | The Elephant Problem |
| Inheritance of human eye color | |
| Inheritance of Coat Color in Shetland Sheepdogs | |
| Evolution in Canadian Arctic Wildflowers | |
| Quiz | |
| Rhetoric | Evolution in Haeckel's tree |
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