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Homologous Structures

homologous structuresHomologous structures:  body structures that are similar in origin (part of the body) and function (what they do).

Humans, whales, dogs, and bats have similar forelimbs.  This shows that they share a common ancestor.

 

 

 

 

 

 

 

 

 

 

 

 

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Fossil Evidence
Embryology
Vestigial Structures
Homologous Structures
DNA

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