Plantae-Flowers and Pollinators

Plantae-Flowers and Pollinators - The Co-Evolution of...

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The Co-Evolution of Flowers and their Pollinators
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Yucca & Moth Co-Evolution
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5 STAGES OF LAND PLANT EVOLUTION
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Brief History of Land Plants 450 MYA 1 st Land Plants 300 MYA 500 species-club mosses, horsetails, ferns, gymnosperms 150 MYA 3,000 species mostly gymnosperms 90 MYA 22,500 species—mostly angiosperms Today 300,000 species—mostly angiosperms
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What do you conclude from these data? Why have angiosperms been so successful compared to gymnosperms?
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What do these data suggest? A) Gymnosperms live longer than angiosperms. B) Angiosperms live longer than gymnosperms. C) Pine trees will mature sooner than maples. D) Apple trees will mature sooner than spruce. E) None of the above 30 30 0% 0% 0% 0% 0% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
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Why have angiosperms been so successful? Adaptations to dry land Rapid reproduction cycle Flowers with Well protected and well-nourished seeds Efficient seed dispersal mechanisms Efficient pollination Recall the evolution of sperm transfer Water Air (wind) Animals especially Insects
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Phylum Angiosperms ( Flowering Plants) Two Major Classes Monocotylendonae Eudicotyledonae
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To which group does this plant belong? 1 2 0% A) Monocot B) Dicot 30 30
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Types of Flowers Complete Flowers (Perfect Flowers)= flowers with all of the usual male and female parts
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Which number identifies the part of the flower that produces pollen?
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This note was uploaded on 12/09/2009 for the course BIO 200 taught by Professor Herreid during the Spring '07 term at SUNY Buffalo.

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Plantae-Flowers and Pollinators - The Co-Evolution of...

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