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Unformatted text preview: plants e) Rhizoids exist; not composed of any vascular tissues and not involved in conducting any substance (not vascular tissues, therefore) f) Flagellated sperm in antheridia 4) Bryophyte Sporophyte a) Grow out of archegonia; very miniscule structure b) Consists of foot, seta, and capsule Foot = Absorbs nutrients from gametophyte Seta = conducts these materials to the sporangium (in this case, capsule) Capsule = Utilizes energies or nutrients to produce spores by meiosis c) Cannot live independently from gametophytes d) Peristome = tooth-like structure that helps to disperse spores 5) Ecological and Economic Importance of Mosses a) Sphagnum, or “peat moss” forms extensive deposits of partially decayed organic material known as peat: it plays an important role in the Earth’s carbon cycle <Figure 1> The Generalized Structures of Moss <Figure 2> Life Cycles of Moss...
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- Fall '11
- Marchantiophyta, Bryophyte Gametophytes, Phylum Anthocerophyta, Seedless Nonvascular Plants