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Chapter 20: Nonvascular Plants Video (Nonvascular plants are embryophytes…

- - - - Virtually all mosses are homosporous: All species are the same size and appear to be identical
      - Matabolism and Ecology: Some mosses grow in microhabitats, such as rainforest, cloud forest, and spray zones near waterfalls
        
        Other mosses are tolerant of desiccation, drying does not damage them; resistant to low and high temps and intense ultraviolet light
- - - - Liverworts may be either bisexual or unisexual
      - Sporophyte Generation: have a foot, seta, and calyprta covered sporangium
        
        As the surrounding gametophore and sporophyte tisses age, die, and decay, the spores are finally liberated #
- - - - The Gametophyte Generation: thin and all long; shaped like a ribbon or heart, they may grow outward irregularly forming a disk
        
        Gametangium development in distinctive in hornworts