In what way was the seed such an important adaptation in the evolution of plants?
List the key events that led to the evolution of the ovule.
Explain the evidence to support the hypothesis that progymnosperms are progenitors of seed plants.
Discuss the phylogenetic relationships among the four groups of living gymnosperms.
Discuss the role and evolutionary development of the pollen tube.
Explain the difference between pollination and fertilization. How much time elapses between these two processes in pine?
Explain the difference between determinate and indeterminate growth, and give an example of each.
Outline the main events of the pine life cycle, indicating the time frame for each.
Explain why an ovuliferous scale is more properly called a seed-scale complex.
List the steps, including the names of all cells produced, by which a microspore becomes a mature pollen grain.
Compare and contrast the reproductive structures of cycads, Ginkgo, and gnetophytes.