3. Why were the first land plants so small?

4. NONVASCULAR PLANTS

5. MOSSES

6. LIVERWORTS

7. HORNWORT

8. What type of adaptations did these plants need to survive on land?

9. RHIZOIDS

10. SPORES

11. MOSS

12. LIVERWORT

13. HORNWORT

14. Why are these simple plants so important for other plants?

15. SEEDLESS VASCULAR PLANTS

16. What were the first vascular plants?

18. ROOTS

19. SPORES

21. Since the fern still reproduces by spores, what type of environment must it live in?

22. CLUB MOSSES
HORSETAILS

23. What two characteristics do ferns, club mosses, and horsetails share?

24. How do ferns, club mosses and horsetails differ from mosses?