1. Bryophytes

2. What do you notice about bryophytes?

3. Bryophytes
Includes Moss, liverworts, hornworts

4. Bryophytes First land plants! No vascular system
Need damp, cool environment
Mnium; marchania [gemmae cups!]; hornwort - like liver wort but diff’t sporophyte

5. Moss Reproduction
“Alternation of Generations” – has haploid & diploid stages
“normal” moss = haploid or “gametophyte”
Diploid part = “sporophyte”
Sperm must swim to egg!

6. Moss Life History

7. Female gametophyte [n]
Moss Reproduction
Male
gametophyte [n]
Zygote [2n]
Sporophyte [2n]
Spores [n]
Female gametophyte [n]
Sperm must SWIM to egg – therefore needs water [splashes?]

9. To Do’s
Sketch/label moss [P. 453]
Questions