1. Compare the chemical and physical conditions of the earth 4 billion years ago and present day conditions?
2. What was Oparin and Haldane's hypothesis?
3. Describe Miller and Urey's experiment?
4. What is chemical evolution?
5. Describe the formation of monomers (amino acids), polymers (proteins, lipids)?
6. What role did clay particles play?
7. What is a protobiont? Do they show properties of life? Explain.
8. Which molecule was the first genetic material and catalyst?
9. What is the endosymbiont theory for the origin of mitochondria and chloroplasts? Cite evidence for it.
10. Know the major evolutionary steps: