1How does a fossil form?
2What is a fossil? Why is evidence from fossils regarded as a strong basis of organic evolution?
3Distinguish between homologous and analogous organs with examples.
4What are vestigial organs? Write four vestigial organs found in the human body. What do they tell us about human ancestors?
5Why is the platypus called a bridge animal? Explain.
6Which classes do Archaeopteryx and Protopterus join? What does this prove?
7How does embryonic evidence confirm the theory of organic evolution?
8How is the age of a rock and of the fossil inside it determined?