Comparative Embryology Evidence of Evolution Comparative Embryology Definition: Closely related organisms go through __________________ _________________________ in their _______________________________ development. All vertebrate embryos go through a stage where they have ___________ ______________, ____________ and a coat of ________________________. Comparative Anatomy Definition: Study of _______________________________________ and evolutionary relationships. Examples of how comparative anatomy is used as evidence: ________________________ structures – (same structure, same ancestor) ________________________ structures – (same action/function) ________________________ structures – structures no longer used Molecular Biology Definition: Closely related species share __________ percentages of _________/_____________________ sequences than species that are distally related. Fossil Record Definition: Total number of fossils discovered & information derived from them. Changes in ________________________ results in change of ___________________ over time. Fossil record provides evidence of this. Theory of Evolution Biogeography Definition: Use of _____________________ to describe distribution of species. Examples of evolution that use biogeography as evidence: __________________________ and __________________________ Evolution Evolution Endosymbiosis Definition: _______________________ and ____________________ were originally independent _______________________ bacteria. Evidence: Replication by ______________________________ Single, _______________________ DNA ________________________ to make proteins _________________ similar to living prokaryotes _______ _____________________ around organelle