Plant kingdom 3

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Vascular Plants Seedless Plants Phylum Coniferophyta Phylum Cycadophyta Phylum Ginkgophyta Phylum Gnetophyta

Transcript of Plant kingdom 3

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Vascular Plants

Seedless Plants– Phylum Coniferophyta

– Phylum Cycadophyta

– Phylum Ginkgophyta

– Phylum Gnetophyta

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1.Phylum Coniferophyta

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Coniferophyta : สน Conifers

มีประมาณ 550 ชนิด

ไม้ยืนต้นขนาดใหญ่ ส่วนใหญ่ไม่ผลัดใบ

ใบมีขนาดเล็กคล้ายเข็ม (Needle like) หรือเป็นใบเกล็ด (Scale leaf)

xylem ประกอบด้วย Tracheid เป็นส่วนใหญ่

Alternation of generation

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Conifers

Pinus ponderosa Sequoiadendron gigantium

Larix laricina

Juniperus chinensis

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Conifers Leaves

Araucaria heterophylla Chamaecyparis lowsonina

Pinus strobusTsuga canadensis

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Conifers Leaves

Araucaria Cedrus atlantica

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Conifers: Male Cone

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Conifers: Pollen (Microspore)

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Microspore Development

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Conifers: Female Cone

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Ovary

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Evolution of Seed Ferns

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Conifers: Ovule

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Conifers: Embryo

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Conifer Life Cycle

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Division Cycadophyta

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2.Phylum Cycadophyta

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Cycad : ปรง

Cycadeoidea

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Male Cone

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Female Cone

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3.Phylum Ginkgophyta

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Gingko biloba : แป๊ะก๊วย

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Phylum Gnetophyta

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Gnetum : มะเมื่อย

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Ephedra

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Ephedra

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Welwitschia mirabilis

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Welwitschia mirabilis: Strobilus

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Seed Plant: Angiosperm

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Phylum Anthophyta

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Flower Structure

Magnolia

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Classification of division Anthophyta

Class Monocotyledonae

Class Dicotyledonae

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Class Monocotyledonae

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Monocotyledonae

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Monocotyledonae

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Class Dicotyledonae

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Class Dicotyledonae

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Dicotyledonae: Magnolia

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เปรียบเทียบลักษณะที่แตกต่างกันระหว่าง พืชใบเลี้ยงคู่ และพืชใบเลี้ยงเดี่ยว

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Reproductive Structure

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Stamen

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Pollen grain formation

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Carpel

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Ovule formation

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Fertilization

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Life cycle

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Embryo Development

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Embryo Development

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Embryo Development

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Fruit formation

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Embryo

CotyledonFoliage leaf

Radicle

Radicle

Coleoptile