Pteridophytes
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21 Terms
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Megaspores
are produced by meiosis and develop into a gametophyte that produces egg cells
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Indusium
umbrella-like covering of sporangium/sorus
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Cohesion
the tendency of water molecules to adhere to one another
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Xylem
the vascular tissue that transports water
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Adhesion
the tendency of water molecules to adhere to a given substrate
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Evapotranspiration
the process by which plants procure water from the environment
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Phloem
the vascular tissue that transports sugars
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Stomata
the openings in the epidermis of leaves that allow for gas exchange
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Euphyllophytes and Lycophytes
the two groups of tracheophytes
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Sporangia
a structure where spores are produced
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Strobilus
an aggregate of sporangia
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Megaphyll
a leaf with multiple veins
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Sorus
a cluster of sporangia found on the underside of leaves
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Microphyll
a leaf with a single vein
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Megasporophyll
a leaf that subtends a female sporangium (megasporangium)
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Microsporophyll
a leaf that subtends a male sporangium (microsporangium)
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Megagametophyte
female gametophyte
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Microgametophyte
male gametophyte
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Microspores
are a structure that develops into a gametophyte that produces sperm cells
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Pteridophyta
the phylum of seedless vascular plants with the most species
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Equisetales
the phylum of seedless vascular plants with the least amount of species
Note 
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