1. Sperm (n) Egg (n) Spores (n) Zygote (2n) Haploid (n) Diploid (2n) Multicellular gametophyte (n) Green Algae (Charales) nonvascular haploid dominant homosporous motile gametes seedless water dependent sporophyte

2. Egg (n) Zygote (2n) Spore (n) Mature gametophyte (n) Mature gametophyte (n) Developing sporophyte Developing gametophyte Mosses nonvascular (mostly) haploid dominant homosporous motile gametes seedless Simple, unbranched sporophyte dependent on gametophyte. See Fig 29.16

3. Ferns vascular diploid dominant homosporous motile gametes seedless Branched sporophyte not dependent on gametophyte at maturity. reduced, naked... Fig. 29.23

4. Gymnosperms vascular diploid dominant heterosporous nonmotile gametes naked seeds not water dependent

5. Angiosperms vascular diploid dominant heterosporous nonmotile gametes seeds not water dependent