pre ap biology plant kingdom (8.6) part 1. plant evolution
TRANSCRIPT
![Page 1: Pre AP Biology Plant Kingdom (8.6) Part 1. Plant Evolution](https://reader033.vdocument.in/reader033/viewer/2022051018/56649e955503460f94b99a22/html5/thumbnails/1.jpg)
Pre AP Biology
Plant Kingdom (8.6)Part 1
![Page 2: Pre AP Biology Plant Kingdom (8.6) Part 1. Plant Evolution](https://reader033.vdocument.in/reader033/viewer/2022051018/56649e955503460f94b99a22/html5/thumbnails/2.jpg)
Plant Evolution
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Waxy Cuticle on the leaves
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Vascular Tissue to transport fluids
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Seed to survive dry times
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Flowers
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Flowers and animals
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Fruits
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Plant Basic structure
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Apical Meristems for growth
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Stomata of leaves
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XylemCarries water and nutrients up to the
leaves.
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PhloemCarries sugar water down the plant from
the leaves.
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Bryophytes
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Hepatophyta
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Anthocerophyta
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Bryophyta(Shows both generations)
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Sperm from the male swimming to the female structure
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Microphyll “leaves”
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Sporophyte of moss
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Peat Moss Bog in upper Canada
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Pre AP Biology
Plant Kingdom (8.6)Part 2
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Vascular plants
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Sporophyte Generation in BrownGametophyte Generation in grey
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New type of cell wall with Lignin and pectin re-enforcements
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Real Roots
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Real Leaves with Vascular Tissue
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Pteridophytes
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Lycophytes
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Lycophyte Forests
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Epiphyte growing on a tree limb
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Pterophyta - Psilophyteas
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Pterophyta - Sphenophytes
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Pterophyta - Ferns
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Fronds
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Fiddlehead(Developing Frond)
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Frond with Sori
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Pre AP Biology
Plant Kingdom (8.6)Part 3
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Pangaea about 250 million years ago – very dry time on land
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Greatly reduced gametophyte generation
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Gymnosperm leaves (“needles”)
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Pine Bark
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Male Pine cones with Pollen grains
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Pollen Grains
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Female Pine cones
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Pine seed being dispersed
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Conifers
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Cycadophyta
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Gnetophyta - Welwitschia
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Gnetophyta - Ephedra
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Coniferophyta
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Female Pine cones
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Male Pine cones with Pollen grains
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Pine needles “leaves”
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Pre AP Biology
Plant Kingdom (8.6)Part 4
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Pangaea separating – water returns in large quantities
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Xylem – Vessel elements(More water uptake)
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Larger leaves(More photosynthesis)
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Flowers
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Fruit
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Types of fruits
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Burr fruit with chestnut inside
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Pollination & Double Fertilization
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Magnoliids
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Monocots & Eudicots
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Traits to know!