Bio Final: Angiosperms (1)

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Author:
DesLee26
ID:
273294
Filename:
Bio Final: Angiosperms (1)
Updated:
2014-05-05 20:29:21
Tags:
BIO319
Folders:
Plant Kingdom
Description:
Mickle
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  1. Characteristics

    - how big? 

    - group categorization?

    - age
    • a.       Largest group of plants
    •                                                                i.      300 families; 12,000 genera; 300,000 species
    • 1.       Such a large number
    • b.      Wildly successful group of plants and most widely distributed
    •                                                                i.      Almost Every ecosystem has flowering plants as the dominant plant
    • c.       Youngest plant phylum
    •                                                                i.      Hasn’t taken very long for this phylum to diversify from one end up to the equator down to the poles
  2. Structure
    - has a lot of ___

    __ structure:
    Some are __
    i. Woody trees, woody shrubs, non-woody herbaceous plants (usually,they are annuals)

    1. if theyare woodywith flowers, they are angiosperms

    2. No monocots are woody

    3. Dicots are woody

    vines`
  3. What can they vary in?
    whether woody (dicots) or herbaceous (monocots)

    location (aquatic or terrestrial); epiphytes

    nutritive purposes (photosynthetic or parasitic)

    size

    longevity (annuals, biennials, perennials)

    leaf arrangement

    Stems
  4. a.       Some are __
                                                                   i.      Can __
                                                                 ii.      Can be __
    b.      Some are __
                                                                   i.      Can use something for __, such as other plants or objects
    c.       Some are __
                                                                   i.      Has to __
    1.       Has a lot of __
    aquatic

    float on the surface

    completely submerged

    epiphytes

    support

    parasitic

    have a host plant

    variablility
  5. Can vary in size
    •                                                                i.      Largest: eucalyptus
    • Smallest: duckweed
  6. Vary in longevity
    • annuals
    • biennials (flwoer in teh second year; then, the plant dies)
    • perennials
  7. Leaf arrangement
    There are numerous leaf arrangements

    1) alternate; the leaves are single at each node and alternate around the stem in an ascending spiral

    2) can be on opposite sides of the leaves; opposite arrangement;paired

    3) whorled: occurs when there are three or more equally spaced leaves at a node
  8. Stems
    •                                                                i.      Can be erect upright, horizontal,
    •                                                              ii.      Some are underground
    • 1.       Such as tubers
  9. Explain tubers
    • a.       Stem is very short in the tuber
    • b.      Underground structure has stem (which are roots); some have both underground and upright aerial stems

  10. True roots

    1) what do monocots have?

    2) What do dicots have?
    • Fibrous root system: roots are thesame size
    • taproot system: onemain root is bigger than the others with other lateral roots coming off of it

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