Dating the Monocot–Dicot Divergence and the Origin of Core Eudicots Using Whole Chloroplast Genomes
(MONOCOT vs DICOT)thexgene.weebly.com/uploads/3/1/3/3/31333379/_plant_body.pdf · 2019. 8. 19. ·...
Transcript of (MONOCOT vs DICOT)thexgene.weebly.com/uploads/3/1/3/3/31333379/_plant_body.pdf · 2019. 8. 19. ·...
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PLANT BODY(MONOCOT vs DICOT)
Jhia Anjela D. Rivera1,2
1Department of Biology, College of Science, Polytechnic University of the Philippines2Department of Biological Sciences, School of Science and Technology, Centro Escolar University
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PLANT BODY
• Shoot system (leaves+stem)
• Root system
• Meristem (cells that divide for life of plant, can give rise to all plant structures)
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PLANT TISSUES
• Vascular Tissue• Transport
• Support
• Ground Tissue• Synthesis of Sugars
• Storage
• Support
• Dermal Tissue• Protection
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LEAF
• Leaf = blade + petiole• Func: conserves water, site for gas
exchange, site of photosynthesis
Blade
Petiole
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STRUCTURE OF A LEAF
Conserves water
PhotosynthesisTransports sugar
and water to stem and roots
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STEM
• Stem = series of nodes and internodes• Func: holds the leaves, substance
transportation through vascular tissue
Xylem conducts waterand minerals
Phloem transportssugar
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LATERAL MERISTEM
• Causes the stem to grow in width
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ROOT
• Func: Anchors plant in soil; takes up water and minerals from soil
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MONOCOT vs DICOT
How do monocots differ from dicots? And, how do dicots differ from monocots?
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LEAF
MONOCOT:
Veins are parallel to one another
DICOT:
Veins are netted
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LEAF
MONOCOT:
Veins are parallel to one another
DICOT:
Veins are netted
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STEM (Vascular Bundles)
MONOCOT:
Scattered throughout the stem
DICOT:
Arranged in a circle
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STEM (Stem Types)
MONOCOT:
Herbaceous
DICOT:
Herbaceous or woody
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ROOT SYSTEM
MONOCOT:
Fibrous root
DICOT:
Tap root
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FLOWER
MONOCOT:
Usually in multiples of 3
DICOT:
Usually in multiples of fours or fives
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SEED (No. of cotyledons (embryonic leaves)
MONOCOT:
one
DICOT:
two
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Summary