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Gradual change over time

Comparative Embryology Similarities in embryo development, bone structure and orientation
Phylogenic Trees A tree-like diagram that shows the evolutionary relationships between different organisms
Comparative Anatomy The study of structural similarities and differences among living things
Homologous Structures Similar structures design but different function often evidence of common ancestry
Vestigial Organs Have lost much or all of their original function due to different selection agents acting on the descendant
Analogous Structures Body parts that share a common function, but NOT related no common ancestry
Comparative Biochemistry The more closely related species are to one another, the greater DNA similarities they share and Amino acid sequence similarities
Created by: ccdpittsford