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Chapter 29 notes

Chapter 29 notes - Chapter 29 Plant Diversity I How Plants...

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Click to edit Master subtitle style 6/13/11 Chapter 29 Plant Diversity I: How Plants Colonized Land
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6/13/11 Clicker Question The direct ancestors of terrestrial plants are considered to be ____. Bryophytes Charophyceans Chrorophytes Rhodophytes
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6/13/11 Concept 29.1: Land plants evolved from green algae Charophyceans have been identified as the closest relatives of land plants
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6/13/11 Four Key Traits Land Plants Share with Charophyceans 1. Rose-shaped complexes for cellulose synthesis 2. Peroxisome enzymes 3. Structure of flagellated sperm 4. Formation of phragmatoplasts Rosette cellulose- synthesizing complex
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6/13/11 Genetic Evidence Comparisons of nuclear and chloroplast genes point to the close relationship between charophytes and plants.
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6/13/11 The Move to Land Durable polymer sporopollenin found in charophyceans and land plants Prevents spores from drying out Great opportunity for adaptive radiation Sunlight unfiltered by water and plankton Abundance of CO2
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