Chapter 30 – The Evolution of Seed Plants

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Presentation transcript:

Chapter 30 – The Evolution of Seed Plants

Chapter 30 – The Evolution of Seed Plants nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms

Chapter 30 – The Evolution of Seed Plants embryos nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms

Chapter 30 – The Evolution of Seed Plants vascular tissue nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms

Chapter 30 – The Evolution of Seed Plants seeds nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms

Chapter 30 – The Evolution of Seed Plants flowers and fruit nonvascular seedless charophyceans (bryophytes) vascular gymnosperms angiosperms

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.

Chapter 30 – The Evolution of Seed Plants Mosses

Chapter 30 – The Evolution of Seed Plants Mosses gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses egg gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses egg sperm gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses sperm egg gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses sperm egg gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses sperm egg gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses sperm egg gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses sperm egg gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses sperm egg gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses sporophyte gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses spores sporophyte gametophyte

Chapter 30 – The Evolution of Seed Plants Mosses spores

Chapter 30 – The Evolution of Seed Plants Mosses spores

Chapter 30 – The Evolution of Seed Plants Mosses spores

Chapter 30 – The Evolution of Seed Plants Mosses spores

Chapter 30 – The Evolution of Seed Plants Mosses

Chapter 30 – The Evolution of Seed Plants Mosses

Chapter 30 – The Evolution of Seed Plants Mosses

Chapter 30 – The Evolution of Seed Plants Ferns

Chapter 30 – The Evolution of Seed Plants Ferns gametophyte

Chapter 30 – The Evolution of Seed Plants Ferns sperm egg gametophyte

Chapter 30 – The Evolution of Seed Plants Ferns sperm egg gametophyte

Chapter 30 – The Evolution of Seed Plants Ferns sporophyte gametophyte

Chapter 30 – The Evolution of Seed Plants Ferns spores sporophyte gametophyte

Chapter 30 – The Evolution of Seed Plants

Chapter 30 – The Evolution of Seed Plants

Chapter 30 – The Evolution of Seed Plants

Chapter 30 – The Evolution of Seed Plants sporophyte seed

Chapter 30 – The Evolution of Seed Plants spores seed

Chapter 30 – The Evolution of Seed Plants gametophytes seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants egg seed

Chapter 30 – The Evolution of Seed Plants sperm egg seed

Chapter 30 – The Evolution of Seed Plants sperm egg seed

Chapter 30 – The Evolution of Seed Plants sperm egg seed

Chapter 30 – The Evolution of Seed Plants sperm egg seed

Chapter 30 – The Evolution of Seed Plants

Chapter 30 – The Evolution of Seed Plants

Chapter 30 – The Evolution of Seed Plants fruit seed

Chapter 30 – The Evolution of Seed Plants

Chapter 30 – The Evolution of Seed Plants

Chapter 30 – The Evolution of Seed Plants

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.

Gymnosperms vs. Angiosperms Chapter 30 – The Evolution of Seed Plants Gymnosperms vs. Angiosperms

Gymnosperms vs. Angiosperms Chapter 30 – The Evolution of Seed Plants naked Gymnosperms vs. Angiosperms

Gymnosperms vs. Angiosperms Chapter 30 – The Evolution of Seed Plants naked seeds Gymnosperms vs. Angiosperms

Gymnosperms vs. Angiosperms Chapter 30 – The Evolution of Seed Plants naked seeds Gymnosperms vs. Angiosperms fruit

Gymnosperms vs. Angiosperms Chapter 30 – The Evolution of Seed Plants naked seeds Gymnosperms vs. Angiosperms fruit

Chapter 30 – The Evolution of Seed Plants Monocot vs. Dicot

Chapter 30 – The Evolution of Seed Plants Monocot vs. Dicot One cotyledon Two cotyledons

Chapter 30 – The Evolution of Seed Plants Monocot vs. Dicot One cotyledon Parallel veins Two cotyledons Netlike veins

Chapter 30 – The Evolution of Seed Plants Monocot vs. Dicot One cotyledon Parallel veins Vascular scattered Two cotyledons Netlike veins Vascular in rings

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

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

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 .