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Chapter 29
Unit Two
17
Biology
Undergraduate 2
09/23/2014

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Term
Charophytes
Definition
Closest relative to land plants
Term
Alternation of Generations
Definition
Life cycle alternates between gametophyte (n) and sporophyte (2n)
Term
Gametophyte
Definition
Haploid (n)
Term
Sporophyte
Definition
Diploid (2n)
Term
Antheridium
Definition
Male gametophyte, sperm, pollen
Term
Archegonium
Definition
Female gametophyte, eggs
Term
Cutide
Definition
Wavy covering, reduces water loss
Term
Stoma
Definition
Regulates CO2 and O2 exchange plus H2O transport
Term
Secondary Compound
Definition
Tastes bitter, strong odor, toxic
Term
Bryophytes
Definition
Nonvascular plants (Liverworts, horn worts, mosses)
Term
Xylem
Definition
Tracheid cells-move roots up from roots (movement of water)
Term
Lignin
Definition
Adds strength to cell walls
Term
Phloem
Definition
2 way movement of sucrose and amino acids
Term
Root System
Definition
Evolved from vascularized stem
Term
Leaves
Definition
Evolved from vascularized stem, size changed for photosynthesis
Term
Sporangia
Definition
Produces spores
Term
Gametophyte
Definition
Tiny plants grow on or below soil surface
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