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Lec19 - Plants overview of plant evolution evolution of...

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Plants 11/8/11 overview of plant evolution evolution of terrestrial plants adaptations to life on land in depth look at plant phyla nonvascular plants // seedless vascular plants seed vascular plants
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Diversity lectures (plants & animals): relate structure & function understand the concept of adaptation evolutionary trends - how have adaptations ex: which structures ex:
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Plant Diversity Four major periods of plant evolution: fig 29.1
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Adaptation onto land: plants evolved from green algae ~450 million years ago (mya) Evolved adaptations: roots & shoots mycorrhizae
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Adaptation onto land: more adaptations: cuticle stomata lignin gametangia
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Adaptation onto land: continued adaptations: vascular tissue seeds fig. 14.8
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Plant life cycle -- Alternation of Generations: Plants alternate between haploid and diploid stages.
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