Syllabus and plant organs

Syllabus and plant - What distinguishes plants from their closest relatives green algae 1 Apical meristems 2 Life-cycle alternation of generations

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What distinguishes plants from their closest relatives, green algae? 1. Apical meristems 2. Life-cycle: alternation of generations 3. Walled spores produced in multi-cellular sporangia 4. Multi-cellular gametangia 5. Multi-cellular dependent embryos
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Not all plants produce flowers, BUT flowering plants (angiosperms) are the most diverse group of plants with approximately 250,000 species Two classes of flowering plants contain the most species Eudicots = 170,000 species Monocots = 70,000 species
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Functions of root systems 1. Anchor the plant (prevent it from being knocked over) 2. Absorb water and nutrients 3. Store organic nutrients
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Taproot root system: found in eudicots ; large, vertical root with smaller lateral roots branching off of it; develops from the embryonic root Fibrous root system: found in monocots ; no large vertical root rather a mat of roots of approximately equal size close to the soil surface; embryonic root dies and root system grows from stem
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Functions of stems 1. Elevate the leaves
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This note was uploaded on 01/24/2012 for the course BIOL 211 taught by Professor Francisrussel during the Spring '11 term at Wichita State.

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Syllabus and plant - What distinguishes plants from their closest relatives green algae 1 Apical meristems 2 Life-cycle alternation of generations

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