Biogeography, a scientist is studying the distribution of extinct and modern ferns in North America., Structural Homology, Whales, bats and birds have the same bone that connects their limbs to the middle of their bodies., Molecular Homology, Humans and chimpanzees share some DNA and protein sequences., Developmental Homology, Chicken, pig, and fish embryos all have the pharyngeal folds., Common Ancestor, A predecessor that a creature shares with another creature., Radioactive Dating, Used to determine the age of fossils., Fossils, A preserved piece of excrement or a footprint from 10 thousand years ago. , Vestigial Structures, Humans' appendix and wisdom teeth no longer have a function yet are still present in the body..

Evidence for Evolution

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