LAB 5 ANSWERS :
Origin of Life: Steps
| STEP |
KEY EVENT
|
EVIDENCE |
| 1 | d. Origin of Solar System/Earth | Astronomy |
| 2 | j. Primordial Soup | Astronomy |
| 3 | f. Formation of Methane/Amino Acids | Laboratory |
| 4 | h. Formation of Lipids/Microspheres | Laboratory |
| 5 | b. Evidence of metabolism 3.8. billion years ago | Geologic Record |
| 6 | k. Formation of complex bases RNA | No record |
| 7 | e. Formation of DNA | No record |
| 8 | a. Bacteria | Fossil record |
| 9 | g. Soft-bodied metazoans | Fossil Record |
| 10 | c. More advanced metazoans | Fossil Record |
| 11 | i. Origin of hard skeletons | Fossil Record |