Pre AP Biology Plant Kingdom (8.6) Part 1. Plant Evolution.

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Pre AP Biology Plant Kingdom (8.6) Part 1

Transcript of Pre AP Biology Plant Kingdom (8.6) Part 1. Plant Evolution.

Page 1: Pre AP Biology Plant Kingdom (8.6) Part 1. Plant Evolution.

Pre AP Biology

Plant Kingdom (8.6)Part 1

Page 2: Pre AP Biology Plant Kingdom (8.6) Part 1. Plant Evolution.

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!