1. What color is the flower of the Cook Island Pine, Araucaria columnaris?
2. What is the name for the "big improvement" on spores that the gymnosperms evolved for moving their sperms to their eggs?
3. What is the primary mechanism for moving this "big improvement" to the eggs?
4. What is a strobili?
5. What is so exceptional and special about the Wollemi Pine?