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plants 3.10 - Chapter 29 Plant Diversity I 1 2 3 From water...

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Chapter 29:  Plant Diversity I 1. From water to land 2. Terrestrial adaptations 3. Origin and diversification of  land plants 4. Bryophytes
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1. From water to land Land plants evolved from  green algae: Most plants are terrestrial “Land plants” = all plants, in  contrast to algae, which are  photosynthetic protists 290,000 described species of  land plants 2
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From water to land •Charophyceans  (a group of green algae) are closest relatives of  land plants •Land plants = “Embryophytes ” (still being debated)
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From water to land •Charophyceans  (a group of green algae) are closest relatives of  land plants •Land plants = “Embryophytes ” (still being debated) Green algae
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From water to land Chara  and  Coleochaete  are closest  living relatives of land plants, based on  morphogical, biochemical, and genetic  evidence Chara Coleochaete
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Chara ? “Land plant” From water to land
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From water to land Imagine 400-500 million years ago… Occasional drying at edge of pond
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From water to land Painting of land plants along estuary 400 mya
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