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Chapter 30 – The Evolution of Seed Plants
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Chapter 30 – The Evolution of Seed Plants
nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms
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Chapter 30 – The Evolution of Seed Plants
embryos nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms
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Chapter 30 – The Evolution of Seed Plants
vascular tissue nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms
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Chapter 30 – The Evolution of Seed Plants
seeds nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms
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Chapter 30 – The Evolution of Seed Plants
flowers and fruit nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms
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Chapter 30 – The Evolution of Seed Plants
The reduced gametophytes of seed plants are protected in ovules and pollen grains Heterospory Ovules and Eggs Pollen and Sperm Seeds.
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Chapter 30 – The Evolution of Seed Plants
Mosses
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Chapter 30 – The Evolution of Seed Plants
Mosses gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses egg gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses egg sperm gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses sperm egg gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses sperm egg gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses sperm egg gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses sperm egg gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses sperm egg gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses sperm egg gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses sporophyte gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses spores sporophyte gametophyte
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Chapter 30 – The Evolution of Seed Plants
Mosses spores
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Chapter 30 – The Evolution of Seed Plants
Mosses spores
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Chapter 30 – The Evolution of Seed Plants
Mosses spores
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Chapter 30 – The Evolution of Seed Plants
Mosses spores
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Chapter 30 – The Evolution of Seed Plants
Mosses
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Chapter 30 – The Evolution of Seed Plants
Mosses
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Chapter 30 – The Evolution of Seed Plants
Mosses
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Chapter 30 – The Evolution of Seed Plants
Ferns
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Chapter 30 – The Evolution of Seed Plants
Ferns gametophyte
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Chapter 30 – The Evolution of Seed Plants
Ferns sperm egg gametophyte
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Chapter 30 – The Evolution of Seed Plants
Ferns sperm egg gametophyte
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Chapter 30 – The Evolution of Seed Plants
Ferns sporophyte gametophyte
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Chapter 30 – The Evolution of Seed Plants
Ferns spores sporophyte gametophyte
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Chapter 30 – The Evolution of Seed Plants
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Chapter 30 – The Evolution of Seed Plants
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Chapter 30 – The Evolution of Seed Plants
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Chapter 30 – The Evolution of Seed Plants
sporophyte seed
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Chapter 30 – The Evolution of Seed Plants
spores seed
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Chapter 30 – The Evolution of Seed Plants
gametophytes seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
egg seed
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Chapter 30 – The Evolution of Seed Plants
sperm egg seed
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Chapter 30 – The Evolution of Seed Plants
sperm egg seed
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Chapter 30 – The Evolution of Seed Plants
sperm egg seed
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Chapter 30 – The Evolution of Seed Plants
sperm egg seed
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Chapter 30 – The Evolution of Seed Plants
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Chapter 30 – The Evolution of Seed Plants
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Chapter 30 – The Evolution of Seed Plants
fruit seed
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Chapter 30 – The Evolution of Seed Plants
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Chapter 30 – The Evolution of Seed Plants
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Chapter 30 – The Evolution of Seed Plants
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Chapter 30 – The Evolution of Seed Plants
Advantages: Sperm do not need to swim Pollen is durable Pollen can travel long distances Female gametophyte is protected Multicellular seed is more resilient than single-cell spore.
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Gymnosperms vs. Angiosperms
Chapter 30 – The Evolution of Seed Plants Gymnosperms vs. Angiosperms
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Gymnosperms vs. Angiosperms
Chapter 30 – The Evolution of Seed Plants naked Gymnosperms vs. Angiosperms
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Gymnosperms vs. Angiosperms
Chapter 30 – The Evolution of Seed Plants naked seeds Gymnosperms vs. Angiosperms
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Gymnosperms vs. Angiosperms
Chapter 30 – The Evolution of Seed Plants naked seeds Gymnosperms vs. Angiosperms fruit
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Gymnosperms vs. Angiosperms
Chapter 30 – The Evolution of Seed Plants naked seeds Gymnosperms vs. Angiosperms fruit
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Chapter 30 – The Evolution of Seed Plants
Monocot vs. Dicot
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Chapter 30 – The Evolution of Seed Plants
Monocot vs. Dicot One cotyledon Two cotyledons
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Chapter 30 – The Evolution of Seed Plants
Monocot vs. Dicot One cotyledon Parallel veins Two cotyledons Netlike veins
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Chapter 30 – The Evolution of Seed Plants
Monocot vs. Dicot One cotyledon Parallel veins Vascular scattered Two cotyledons Netlike veins Vascular in rings
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Chapter 30 – The Evolution of Seed Plants
Monocot vs. Dicot One cotyledon Parallel veins Vascular scattered Fibrous roots Two cotyledons Netlike veins Vascular in rings Taproots
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Chapter 30 – The Evolution of Seed Plants
Monocot vs. Dicot One cotyledon Parallel veins Vascular scattered Fibrous roots Pollen 1 opening Two cotyledons Netlike veins Vascular in rings Taproots Pollen 3 openings
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Chapter 30 – The Evolution of Seed Plants
Monocot vs. Dicot One cotyledon Parallel veins Vascular scattered Fibrous roots Pollen 1 opening Petals x 3 Two cotyledons Netlike veins Vascular in rings Taproots Pollen 3 openings Petals x 4 or 5 .
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