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          • Types of Errors - more notes.
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TOPICS IN PLANT BIOLOGY

Essential Biology Learning Guides
link to "Special Attention to" review sheet for 9.1-9.4

Topic 9.1 Transport in the Xylem
Topic 9.2 Transport in the Phloem 
Topic 9.3 Growth in Plants 
Topic 9.4 Reproduction in Plants 

Specific Unit Resources

Powerpoints (B Smullen/C Paine) for each topic: 9.1, 9.2, 9.3, 9.4
Allott & Mindorff  reading: pp. 403-411 (9.1), pp. 412-421 (9.2), pp. 422-428 (9.3), pp. 429-436 (9.4). 

A point about food and plants...

See the recipe...
Picture
See the recipe with the plants highlighted...
Picture

​

Picture
Go to this fabulous IU lecture on Biology of Food...and scroll down to the section bold labelled "chloroplasts."  This image is from a very nice animation for the parts of the potato plant.  Check it out and feel free to get distracted by Jose Bonner's wonderful insight into the connections between food and the fundamentals of biology.

Picture
Root cross section
Picture
Zoom in
Picture
Picture
Shoot cross section
Picture
Picture
Where do the axillary buds come from? What do they do? As apical growth progresses in sections, a bit of inactive meristematic tissue is left behind at each "node" (end of a section). When a side shoot or flower develops, the inhibition of cell division is removed and this meristem is activated.
Picture
Lateral Meristems - the label might be a bit more clear if it read that the cells in the lateral meristem can divide but only laterally, not along the axis of the stem. This will become important when we look at secondary xylem and phloem (below)
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LATERAL (SECONDARY) GROWTH CAN BE TRICKY...TRY THIS SIMPLIFIED PLAN DIAGRAM AND THE FOLLOWING ANIMATION:
Picture
Picture
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Function of various tissues in the leaf:
     cuticle (wax)  - 
     upper epidermis - 
     palisade mesophyll - 
     vascular bundles - 
     spongy mesophyll - 
     lower epidermis - 
     guard cells (around stomate) - 
EXCELLENT ACTIVITY ON AUXINS AND TROPISMS...
Picture
HOW EXACTLY DOES AUXIN DO IT?  IT'S IN THE GENES (AND IN THE WALL).
Picture
WHAT ABOUT WHEN THINGS GO WRONG?  PLANT DEVELOPMENT MUTANTS:
 9.2
Transport in Plants - Focus on the questions in EB92/PPT - note how this topic is an application of structure to ecology
Picture
A particularly unique adaptation to dry environments...CAM, Crassulacean Acid Metabolism.

 9.3
Picture
PLANT REPRODUCTION 
1.  BE ABLE TO DISTINGUISH POLLINATION/FERTILIZATION/GERMINATION/SEED DISPERSAL
2.  EXPLAIN (STEPS IN PROCESS) OF GERMINATION, ENVIRONMENTAL INFLUENCE/ADAPTATION
3.  CONTROL OF FLOWERING BY PHYTOCHROME - REMEMBER, IT'S THE LENGTH OF THE NIGHT THAT MATTERS, NOT THE LENGTH OF THE DAY.
READY FOR FUN WITH PLANT (MOVIES) - TROPISMS?
Picture
Might not work in Chrome however...here's the link to copy if needed: http://plantsinmotion.bio.indiana.edu/plantmotion/starthere.html
And pollination - start at about 3:30...
And the diversity of flowering strategies - rivals the animal kingdom!
INTERESTING CONNECTION BETWEEN (CO)EVOLUTION AND PLANTS:
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  • Home
  • SL Bio/Bio 2
    • SL/HL test review
    • SL Bio Blog/Review Discussion Site
    • Name that Sound
    • SL Bio - Topics >
      • Cells >
        • Surface Area/Volume Lab >
          • Types of Errors - more notes.
        • Processing Microscope Data
        • Soap Bubble Membranes
        • Plasmolysis Lab
        • Surface Area/Volume LabHL16 >
          • Types of Errors - more notes.
        • Cell Cycle Timing Lab
      • Biochemistry >
        • Enzyme Lab
        • Photosynthesis Lab
      • Genetics
      • Evolution
      • Ecology SL/Bio2
      • Physiology >
        • Sheep Heart dissection
        • Sheep Brain Dissection
      • SL Option A Neurobiology
  • SL Bio/Bio 2 (pre-2015 exams)
    • SL Bio - Topics >
      • Evolution >
        • Natural Selection Web Activities
        • Paper Worm Simulation - Data Collection and Processing
        • Coacervate Lab
        • Hominid Evolution - Skull Lab
      • Classification
      • Biochemistry >
        • Surface Tension Lab
        • Molecules of Life - Modeling Activity
        • Jmol molecule visualizations
        • Playdough and Toobers!
        • Enzyme Lab
      • SL Genetics >
        • Sockosomes/Chromosocks
      • Biotechnology >
        • DNA gel
        • Bacterial transformation lab
      • Physiology >
        • Digestion
        • Circulation/Gas Exchange >
          • Sheep Heart dissection
        • Nervous system
        • Nutrition - Option A
        • Defense Against Disease
        • Reproduction
      • Ecology >
        • Ecology DBQ practice
        • Population Growth Simulation
        • Emerging Disease Webquest
  • HL BIo Year 1 (pre-2015 exams)
    • Year 1 - Topics >
      • Cells >
        • Processing Microscope Data
        • Surface Area/Volume Lab >
          • Types of Errors - more notes.
        • Plasmolysis Lab
        • Cell Cycle Timing Lab
      • Biochemistry >
        • Surface Tension Lab
        • Molecules of Life - Modeling Activity
        • Jmol molecule visualizations
        • Playdough and Toobers!
        • Race for the Double Helix movie
        • Extraction
      • Metabolism >
        • Enzyme Lab
        • Photosynthesis/Respiration Lab
      • Genetics >
        • Sockosomes/Chromosocks
        • Corn genetics
        • Make a Face
      • Biotechnology >
        • DNA gel
        • Bacterial transformation lab
      • Ecology >
        • Ecology DBQ practice
        • Emerging Disease Webquest
        • Symbiosis in Termites
        • Population Growth Simulation
    • MSON Bioethics >
      • Ethics in Scientific Research
      • Bioethics Films
  • HL Bio Year 1
    • Year One Blog/Review Discussion SIte
    • Year 1 - Topics >
      • EvolutionHL2016
      • CellsHL2016 >
        • Cells: Class Flip Videos
        • Processing Microscope Data HL16
  • HL Bio Year 2
    • SL/HL test review
    • Year Two Blog/Review Discussion Site
    • Ecology Summer Work
    • Year 2 - Topics >
      • Plants
      • Biotechnology_ >
        • DNA gel_
        • Bacterial transformation lab_
        • Microarray
        • Natural Cloning
      • Physiology >
        • Sheep Heart dissection
        • Kidney Dissection
        • Sheep Brain Dissection
        • Chicken Wing Dissection
        • Sea Urchin Embryology
  • HL Bio Year 2 (pre-2015 exam)
    • Year 2 - Topics >
      • Evolution >
        • Natural Selection Web Activities
        • Paper Worm Simulation - Data Collection and Processing
        • Coacervate Lab
        • Hominid Evolution - Skull Lab
      • Phylogeny >
        • Constructing Cladograms
      • Plants >
        • Comparative look at animal developmental switches
        • Plant Microscope exercise
        • Plant Hormone Lab
        • Transpiration Lab
        • Plants and Micrographic Art
        • Plants and Human Art
      • Neurobiology >
        • Preview Topics
        • Neuron Action Potential Simulation
        • Connectome
        • Sheep Brain Dissection
        • Cow Eye Dissection
        • Invertebrate Behavior Lab
        • Altered Reality
        • Human Behavior Lab
      • Physiology >
        • Digestion Demos
        • Sheep Heart dissection
        • Blood typing
        • Kidney Dissection
        • AIDS Global Awareness
        • Virtual ELISA
        • Film - Politics, People and Science of AIDS
        • Chicken Wing Dissection
        • Sea Urchin Embryology
      • Review Project >
        • Review assignments, written by HL students
        • Web 2.0 Tools
  • IB Connections
    • TOK Connections >
      • Natural Sciences - TOK
    • MYP reference site
    • Extended Essay in Biology
    • Group 4 Project
    • Internal Assessment - 1st and 2nd year >
      • Advice on Internal Assessment
      • Uncertainty in calculations
      • t test/TI 83/excel
      • tips on mac excel graphs
      • Notes from IB worldwide report
      • Lab photo album
    • Advice for IB Papers >
      • Advice on IB Examinations
    • IB Learner Profile - How does HL Bio fit in?
  • Resources
    • for our SL friends
    • BioNinja
    • iBiology
    • Click4biology
    • Biozone Weblinks
    • IB Biology video review
    • Smullen Powerpoint
    • Wapole text
    • IB Guides
    • Recommended biology tutorials (besides IB)
    • Practice Tests/Exam Dates/Review Materials >
      • Review assignments, written by HL students
      • Knowledge audits
      • Biology Narratives - Review Activity
      • Organizational review assignment
      • Year 1 Final Review
      • Quizlets and Other Shared Reviews
  • Clubs and Committees
    • Science Olympiad >
      • 2012 Science Olympiad Team in action
      • Photos from the 2013 Olympiad
    • Bioethics Bowl >
      • Villanova Bioethics Competition >
        • Team Pictures - 2012
      • Peace and Ecology Committee
  • Biotechnology