Bio 113 Portfolio
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  • Prion
    • Life Cycles
    • Evolutionary History
    • Kuru
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  • Virus
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    • Evolutionary History
    • Rabies
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  • Bacteria
    • Life Cycles
    • Evolutionary History
    • Pseudomonas syringae
    • Borrelia burgdorferi
    • Sources
  • Archaea
    • Life Cycles
    • Evolutionary History
    • Sulpholobus acidocaldarius
    • Sources
  • Protista
    • Life Cycles
    • Evolutionary History
    • Giardia lamblia
    • Phytophthora infestans
    • Hexacontium enthacanthum
    • Corallina officinalis
    • Discostelium discoideum
    • Sources
  • Plantae
    • Life Cycles
    • Evolutionary History
    • Dicranum polysetum
    • Adiantum aleuticum
    • Ginkgo biloba
    • Pyrus communis
    • Magnolia virginiana
    • Sources
  • Fungi
    • Life Cycles
    • Evolutionary History
    • Lentinula edodes
    • Neurospora crassa
    • Gigaspora gigantea
    • Rhizopus stolonifer
    • Batrachochytrium dendrobatidis
    • Sources
  • Animalia
    • Life Cycles
    • Evolutionary History
    • Euplectella aspergillum
    • Lingula anatina
    • Priapulus caudatus
    • Mellita quinquiesperforata
    • Tachyglossus aculeatus
    • Sources

Distinguishing Characteristics

pic (19)

1) Apical meristems
2) Alternation of generations
3) Walled spores, produced in sporangia
4) Multicellular gametangia
5) Multicellular, dependent embryos

(9)

Picture
Plant Organs of Most Vascular Plants (11):
pic (10)
  1. Root: multicellular organ that anchors a vascular plant in the soil, absorbs minerals and water and often stores carbohydrates (also: taproots, lateral roots)
  2. Stem: organ consisting of an alternating system of nodes and internodes.
  3. Leaf: the main photosynthetic organ

Plant Tissue (10):
Tissue System
and Its Functions



Dermal Tissue System
• protection
• prevention of water loss


Ground Tissue System
• photosynthesis
• food storage
• regeneration 
• support
• protection

Vascular Tissue System
• transport of water and minerals
• transport of food
Component Tissues




Epidermis
Periderm (in older stems and roots)



Parenchyma tissue
Collenchyma tissue
Sclerenchyma tissue




Xylem tissue
Phloem tissue
Picture
pic (10)
Picture
pic (2)
Characteristics of the 4 Main Types of Plants:
Nonvascular:
  • Thrive in mostly damp habitats (13)
  • Nonvascular because they don't have tracheids; instead water and nutrients circulate inside special conducting cells (13)
  • The gametophyte is the dominant form (13)
  • The sporophyte is dependent on the gametophyte and remains permanently attached for nutrition and protection (13)
  • ex) mosses, liverworts, hornworts (13)
Vascular Seedless:
  • Contain vascular tissue but do not flower or seed (13)
  • Reproduce and spread through haploid spores (13)
  • Found in moist environments because they depend on water for sperm motility during reproduction (13)
  • ex) ferns, club mosses, horsetails, whiskferns (13)
Gymnosperms:
  • Seed plants that have "naked seeds":  the ovules and seeds develop on the scales of cones rather than inside an ovary (13)
  • Subgroups are: Conifers, Cycads, Ginko, Gnetales (14)

Picture
Angiosperms:
  • The most diverse subset of plants with over 275,000 species (18)
  • Seed producing plants that have flowers, endosperm within the seeds, and production of fruits that contain seeds (14)
  • Divided into monocots and dicots (15)

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