Review Questions
1. Why are seeds a significant evolutionary development? Know the advantages of the seed plants.
2. List the four phyla of gymnosperms and describe each one of them.
3. Are pines homo or hetero sporous? Explain.
4. How does pollination occur in conifers?
5. Know the life cycle of a Pine tree.
6. List several ways in which gymnosperms are advanced in relation to ferns.
7. What features do cycads, ginkgoes and gnetophytes share with confers?
8. What features that are advances in gnetophytes?
9. What are the evolutionary advantages of Angiosperms compared to gymnosperms?