Video 1: Video 1: Seed Plants (3:51)
Figure 2: Gymnosperms: Ginkoes and Conifers
Figure 3: Gymnosperms: Cycads and Gnetae
Video 2: The Sex Lives of Christmas Trees (2:50)
Figure 4: Pine Life Cycle
Video 3: Xylem and Phloem (2:17)
Figure 5: Xylem and phloem
