This slide is not a full explanation.

1. Homologous Structure
Definition: Similar structures
evolved from a common ancestor.

2.  Structure

3. Vestigial Organ

4. Biochemistry

8. Where is this creature found?

9. Video time

10. References
• http://bioweb.cs.earlham.edu/9-
12/evolution/HTML/live.html
• http://itc.gsw.edu/faculty/bcarter/histgeol/pal
eo2/homol1.htm
• http://atheism.about.com/library/glossary/ev
olution/bldef_analogous.htm
• http://www.bookrags.com/research/homolog
ous-structures-wap/