Monocots vs. Dicots - Lubeckeaccbio - homelubeckeaccbio.wikispaces.com/file/view/A… · PPT...
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SeedsMonocot vs.
DicotAccelerated Biology
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Seed AnatomySeed Anatomy
• Seed coat – protects embryo Seed coat – protects embryo from injury and harsh from injury and harsh environmentenvironment• develops from the outer develops from the outer
layers of the ovulelayers of the ovule• Endosperm – portion of seed Endosperm – portion of seed
that stores food (energy) for that stores food (energy) for the developing embryothe developing embryo
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Seed AnatomySeed Anatomy
• Cotyledon – seed leavesCotyledon – seed leaves• part of the embryopart of the embryo• the first leavesthe first leaves• transfer nutrients to the
embryo
Monocot – I cotyledon Ex) corn
Dicot – 2 cotyledons Ex) Kidney and Lima beans
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Monocot vs. Dicot
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Monocot vs. Dicot
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Seed AnatomySeed Anatomy
• Radicle – embryonic root Radicle – embryonic root (becomes root)(becomes root)
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Seed AnatomySeed Anatomy
• EpiEpicotyl – part of the shootcotyl – part of the shoot• stem stem above above cotyledonscotyledons• HypoHypocotyl – part of rootcotyl – part of root• stem stem below below cotyledonscotyledons
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Monocots
Leaf veins parallelVascular tissue scatteredFlower parts in threesEx) lilies, grasses, corn
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DicotsDicots
Leaf veins netlikeRing of vascular tissue Flower parts in fours or fivesEx) trees, geranium, cacti
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Monocots vs. DicotsMonocots vs. Dicots
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Monocots vs. DicotsMonocots vs. Dicots
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Monocots vs. DicotsMonocots vs. Dicots