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traits of embryophtes
-alertnation of heteromorphic generations
gametophyte body forms
-thallus=flattened disc or ribbon
-rhizoids anchor gametophte
-foot=embedded in gametophte
-sporangium=also called capsule in bryophtes
unique features of anthocerotophyta
-symbiotic relationship with nitrogen-fixing bacteria
-sporophte lacking a seta
-sporangium with basal meristem
-chloroplasts=one per cell
-pyrenoids=starch organizing area
hepatophyta unique features
-oil bodies in cytoplasm
-elaters in capsule
-upper surface=pores, air chambers, photosynthetic tissue
-lower surface=rhizoids, anchor the thallus
-filled with spores
-elaters= long skinny, twist in response to humidity to disperse spores
-initial gametophyte growth phase
-structure=branching, green and photosynthetic, buds produce adult gametophytes
sphagnum- peat moss
-leaves with hyaline cells (large dead cells, barrel-shaped, fill with water)
sphagnum and acid
-hyaline cells=released phenols and tannins
-acid slows decompostion of organic material
-plant matter that accumulates under water-logged conditions and does not decompose
-1/3 or all terrestrial carbon locked in peat
dehiscence by peristome, capsule structure
-operculum:capsule lid falls off
-peristome:ring of teeth underneath operculum
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