Wize University Biology Textbook > Seedless Plants
Non-Vascular Plants
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Bryophytes
These plants represent the vary first lineage that transitioned onto land
- Not monophyletic (uncertainty in phylogeny)
- Thin, ground-cover plants
- lack of vascular system = can't grow tall
Characteristics of Bryophytes
- Short
- Tissue only a few cells thick
- Dominant phase: Haploid Gametophyte (unlike the rest of plants)
- Sporophyte (2N) is dependent on Gametophyte (1N)
- Plants are male or female
- Sperm move through water (must be moist!)
- Not fully terrestrial yet
Exam Tip
Bryophytes are the only plant that spends most of its life as the Haploid (1N) Gametophyte!
Bryophyte Life Cycle
Practice: Bryophytes
What is the dominant life stage in Bryophytes?
Practice: Bryophytes
How do Bryophyte sperm travel between plants?
Practice: Bryophytes
What is the best explanation for why bryophytes tend to be short?