Liverwort: Prechart Review

Card Set Information

Author:
DesLee26
ID:
269919
Filename:
Liverwort: Prechart Review
Updated:
2014-04-09 12:36:23
Tags:
BIO319
Folders:
Plant Kingdom
Description:
Mickle
Show Answers:

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  1. Structure:


    __ and __ and can form __
     
    Leaves: __; __
    Small and inconspicuous

    large masses in favorable habitats

    • single layer of undiffentiated cells
    • two rows of equal sized leaves and a third row of smaller leaves
  2. location

    Leafy: _

    Thalloid:
    • tropics and some in temperate regions
    • Thalloid: moist, shaded banks or greehouses
  3. Reproduction

    Most gametophytes develop directly from __, but some form a __, from which the __ develops

    Continues to grow from an __
     
    In Marchantia: the gametangia are borne on __, which grow __to the ground
    • spores
    • protonema-like filament of cells
    • gametophyte
    • apical meristem
    • gametophores
    • perpendicular
  4. Asexual Reproduction
    • Fragmentation
    • Gemmae cups (located on the dorsal surface of gametophyte)
  5. Structre of Gametophyte 

    Its gametophyte has a __; initiated with __; __
    • liver shaped outline
    • meiosis
    • unicellular
  6. Structure of sporophyte:
    Sporophyte generation: consists of __, __, __, __(with __), which are sensitive to __ and __; some have a __surrounding (__); initiated with __; dependent on __; __; no __

     
    • foot, stalk, capsule, elaters 
    • wall thickenings
    • slight changes in humidity and twist in response
    • perianth 
    • tubular sheath
    • fertilization
    • gametophyte
    • unbranched
    • stomata
  7. Structure of antheridia
    Antheridia borne on short side branch with leaves called androecium

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