EVIDENCE OF EVOLUTION. SB5c. Explain how fossil and biochemical evidence support the theory. What is Evolution?. Change in the genetic composition of a population over time . http://www.pbs.org/wgbh/evolution/educators/teachstuds/unit3.html.
SB5c. Explain how fossil and biochemical evidence support the theory
http://www.pbs.org/wgbh/evolution/educators/teachstuds/unit3.htmlhttp://www.pbs.org/wgbh/evolution/educators/teachstuds/unit3.htmlWhat evidence do scientists have that evolution has occurred?
2. Homology- Similarity in characteristics of different species resulting from common ancestor
a. Homologous structures- structures that may have different functions but have similar structure
b. Vestigial structures- structures that are reduced & have no function.
c. Molecular homology- similar DNA sequences indicate close relationships
d. Embryological evidence- embryo development similar, may indicate close relationship