monocots vs. dicots - lubeckeaccbio - homelubeckeaccbio.wikispaces.com/file/view/a… · ppt...
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SeedsMonocot vs.
DicotAccelerated Biology
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
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
Monocot vs. Dicot
Monocot vs. Dicot
Seed AnatomySeed Anatomy
• Radicle – embryonic root Radicle – embryonic root (becomes root)(becomes root)
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
Monocots
Leaf veins parallelVascular tissue scatteredFlower parts in threesEx) lilies, grasses, corn
DicotsDicots
Leaf veins netlikeRing of vascular tissue Flower parts in fours or fivesEx) trees, geranium, cacti
Monocots vs. DicotsMonocots vs. Dicots
Monocots vs. DicotsMonocots vs. Dicots
Monocots vs. DicotsMonocots vs. Dicots