Mar24-post - Lecture 31: March 24 Terrestrial...

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1 Lecture 31: March 24 Terrestrial Diversification: Angiosperm & Insects • Origin of Angiosperms - phylogeny & fossils - evolution of flowers & fruits - angiosperm life cycle & reproduction -modern angiosperm-pollinator interactions • Origin of Insects - phylogeny & fossils - coevolution with angiosperms Discussion Activity this Week Articles on human evolution (week 12 folder) Exam 3 on March 24 tonight – same rooms Check Qwizdom Points on SAMS Chapters 29 : 656-662; 40 : 910-913; 916-922, 925, 929 The major innovations that allowed plants to diversify on land pollen seeds Plants & Fungi Colonized land about the same time ~ 470 - 460 Ma Simplified Phylogeny of Angiosperms fossil birch leaf ~140 Ma
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2 The Evolution of the Flower Angiosperms are the most diverse land plants living today. About 250,000 species have been described, and more are discovered each year. The success of angiosperms in terms of geographical distribution, number of individuals, and number of species revolves around a reproductive organ: the flower Flowers come in all shapes, sizes, colors, odors…. Why?
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This note was uploaded on 04/01/2008 for the course BIO 171 taught by Professor Josephinekurdziel during the Winter '08 term at University of Michigan.

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Mar24-post - Lecture 31: March 24 Terrestrial...

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