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Slide Notes

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PRESENTATION OUTLINE

FOSSIL RECORD

TRACES OF LONG DEAD ORGANISMS HAVE BEEN FOUND

HOMOLOGOUS STRUCTURES

ORGANISMS HAVE SIMILAR STRUCTURES THAT HAVE DIFFERENT FUNCTIONS

VESTIGIAL STRUCTURES

AN ORGAN THAT WAS ONCE USED, BUT IS NO LONGER NEEDED. IT STILL REMAINS IN THE BODY.

DNA SIMILARITY

CLOSELY RELATED ORGANISMS SHARE SIMILAR DNA

SIMILAR EMBRYOLOGY

SCIENTISTS HAVE FOUND THAT ALL EMBRYOS OF ANIMALS LOOK THE SAME