Evidence for Evolution ( image Embryonic development (Step #4: Cavity…
Evidence for Evolution
Step #4: Cavity forming
Step #5: Gastrulation
Step #3: Blastulation
Step #6: Notochord
Step #2: Cell division
Step #7: Mesoderm
Step #1: Fertilization
The study of the distribution of species and ecosystems in geographic space and through geological time.
Polymerase chain reaction
Macromolecule blotting and probing
Casts and molds
Blind fish and salamanders who live in caves still have eye structures.
The whale shark is a filter feeder and its rows of teeth can't bite anything.
Snakes and lizards with their legs growing smaller and smaller until all that was left is a small bump at the back.