Sprint 14 · Chapter 3

Pteridophytes: The First Vascular Plants

Understand pteridophyte structure, their dominant sporophyte phase, and the evolutionary significance of heterospory.

1. 1The First True Roots and Leaves
2. 2Spores and the Prothallus
3. 3Image Block
4. 4Markdown Content
5. 5Image Block
6. 6Four Classes of Pteridophytes
7. 7Check Your Understanding