species

• Bat and bird wings are homologous asforelimbs, but analogous as functional wings• Analogous structures or molecular sequencesthat evolved independently are also calledhomoplasies• Homology can be distinguished from analogyby comparing fossil evidence and the degree ofcomplexity• The more complex two similar structures are,the more likely it is that they are homologousCopyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings