APchapter29notes - Chapter29Notes PlantDiversityI:HowPlants...

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Chapter 29 Notes Plant Diversity I: How Plants  Colonized Land
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Concept 29.1 More than 280,000 species of plants  inhabit the earth today Although some are aquatic, most are  terrestrial: deserts, grasslands, forests Land plants evolved from certain green  algae called  charophyceans
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Concept 29.1 There are four main groups of land plants:  bryophytes pteridophytes gymnosperms , and  angiosperms Bryophytes : mosses; distinguished from  algae by advances that allow for life on  land
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Concept 29.1 Pteridophytes : ferns; contain vascular  tissue (transport water and food);  “seedless plants” Gymnosperms : conifers; “naked seed”  (seeds are not enclosed in a special  chamber) Seed : consists of a plant embryo packaged  with food and a protective coat
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Concept 29.1 Angiosperms : flowering plants;  “container seed”; most modern-day  plants algal ancestors   bryophytes   vascular  plants   the origin of seeds   the  evolution of flowers
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APchapter29notes - Chapter29Notes PlantDiversityI:HowPlants...

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