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Plant unit:  a study on plant classification, germination, pollination, transpiration, respiration, & photosynthesis
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Plant unit: a study on plant classification, germination, pollination, transpiration, respiration, & photosynthesis

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a study on plant classification, germination, pollination, transpiration, respiration, & photosynthesis

a study on plant classification, germination, pollination, transpiration, respiration, & photosynthesis

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  • 1. Classification & Processes
  • 2. PLANTS: How are plants divided up? How are they related? How are they different? Nomenclature: (naming of species)
  • 3. PLANTS Nonvascular Vascular Mosses Lichens NOT A PLANT: Fungi/ mushrooms SEEDS NO-SEEDS Angiosperms Gymnosperms Monocots Dicots Conifers NO-SEEDS Ferns Horsetails
  • 4.
    • Nonvascular plants (“lacking vessels”), short & delicate
    • Mosses
    • 1. cling to damp soil, rocks, shady trees
    • 2. are tiny plants (1-2 inches tall)
    • 3. leaves are only 1-2 cells thick
    • 4. anchored with rhizoids (hair-like fibers)-not roots.
    • 5. seedless; grow from spores
    • a) lichens : grow on tree; looks like scales/shells
    • b) fungi/mushrooms : grow on the ground
    http://upload.wikimedia.org/wikipedia/commons/1/11/Green_tree_moss.jpg
  • 5. http://qwickstep.com/search/moss-plants.html http://botit.botany.wisc.edu/images/332/lichens/foliose_lichen_130_d.html
  • 6. http://morelsandmore.com/Morchella%20esculenta%2023.jpg
  • 7.
    • II. Vascular: “having vessels”, divided into Seedless & seeds
    SEEDLESS SEEDS Vascular
  • 8. B. SEEDLESS : do not have seeds; use spores to reproduce, grow tall & thick EXAMPLE: fern http://www.freefoto.com/images/9909/06/9909_06_6179---Fern_web.jpg?&k=Fern http://www.shadegarden.net/wp-content/uploads/2008/07/cinnamon-fern.jpg http://eatdrinkbetter.com/2008/05/05/lovin-fresh-fiddlehead-ferns/
  • 9. SEEDS: GYMNOSPERMS ANGIOSPERMS Gymnosperms (naked seed); no flowers; oldest kind of seed plants, they like cold/dry climates, use sexual reproduction, produce seeds on female cones http://www.netstate.com/states/symb/flowers/images/pine_cone_tassel.jpg
  • 10. Conifer http://www.bentler.us/eastern-washington/plants/trees/ponderosa.aspx http://www.panzhihua-university.com/pictures/cycads.jpg Cycad http://www.gardenexpress.com.au/images/P/Cycad-01.jpg
  • 11.
    • Angiosperms (flowering) produce flowers, form the largests division in plant kingdom; live lots of places/climates
      • form seeds inside their fruits
      • Use sexual reproduction/ pollination
      • Examples: fruits, vegetables, grains, most nuts
      • Have a seed leaf or COTYLEDONS (2 kinds)
    Angiosperms MONOCOTS DICOTS
  • 12.
    • COTYLEDONS:
    • Monocots have one cotyledon, (corn, rice, wheat, grasses)
    • Dicots have 2 cotyledons (bean plant, roses, cacti)
    http://commons.wikimedia.org/wiki/File:Monocot_vs_dicot_crop_Pengo.jpg
  • 13. Plant Parts: What are the parts of a plant? What are their jobs?
  • 14. What parts do you know? What do they do for the plant?
    • Parts of a plant: What are they for?
    • Seeds
    • Roots
    • Stem
    • Leaves
    • Flowers
    • Makes more of the plant (babies)
    • Takes in water, anchors it, stops erosion
    • Holds up plant, water up & down
    • Makes food for the plant, breathes
    • Attracts a pollinator to make a seed
  • 15.  
  • 16. Plant Life cycle
  • 17. What do plants need to survive? water Air (carbon dioxide) Soil (minerals) sunlight
  • 18.
    • Important processes:
    • Germination process by which a seed sprouts
    • Pollination process of spreading pollen to fertilize a flower’s egg to make a seed
    • Transpiration leaves releasing water into the air
    • Respiration leaves releasing oxygen
    • Photosynthesis plants turn sunlight into food
  • 19. PLANT PARTS: Seeds LINK (Seamon ppt) Roots LINK (Seamon ppt) Leaves LINK (Seamon ppt) Stem LINK (Seamon ppt) Flowers LINK (Seamon ppt)
  • 20. 1. Chlorophyll absorbs light from the sun 2. Sun’s energy splits water molecule into hydrogen & oxygen 3. Hydrogen joins carbon dioxide to make food (sugar/glucose) 4. Sugar carried through the plant; oxygen is released into the air 6 6 6 PHOTOSYNTHESIS H 2 O O 2 CO 2 = + + C 6 H 12 O 6 MOVE
  • 21. O O O C C C C C C O O O C C C C C C
  • 22. O O O O O O O O O O O O O O O H H H H H H H H H H H H
  • 23. Biodiversity Video Biology: Plants (17 min) Plant parts elem. Video (2 min) The Ecotree LINK The Wild Classroom LINK
  • 24.
    • PLANT LABS:
    • Leaves: Identify & graph your collection into journal; view & draw fern spores; Answer questions in Plant Journal.
    • Flowers: identify & draw 5 local spring flowers on white paper. Glue into journal. Roots: identify fibrous & taproots; draw 7 label root parts in journal; Answer questions in Plant Journal.
    • Seeds: seed dissection: label 3 parts of the seed into journal; observe pine nuts in pinecones-- sketch into journal; Answer questions in Plant Journal.
    • Stems: Compare three different types of bark. Notice the color & texture. How do the grains run? Is there a pattern? Create a bark rubbing with a dark crayon (rubbed sideways). Sketch the three specimens.
    Header:
  • 25.
    • LAB: LEAVES
    • RULES: BE GENTLE WITH THE LEAVES. They are fragile!
    • What kinds of leaves are in your envelope? ___________, ______________, _______________, _______________, ______________
    • Write how many of each kinds of leaves on the lines above.
    • Sketch one of the leaves, labeling the blade, veins, midriff, & petiole
    • What are the three processes performed by the leaves for the plant. _______________, ______________, _______________
    • What is the difference between a simple leaf and a compound leaf? _____________________________________________________________
    Header: Leaf Bank: oak, maple, dogwood, elm, beech, redbud, sweetgum
  • 26.
    • LAB: SEEDS
    • RULES: BE CAREFUL DISSECTING THE SEEDS.
    • What is the purpose of a seed? ______________________________________
    • What is the process of a seed sprouting into a young plant? ________________
    • How do seeds travel? _____________________________________________
    • What is the difference between a monocot & a dicot? _____________________ ______________________________________________________________________________________________________________
    • Sketch the following parts of your dissected lima bean seeds: (seed coat, cotyledon, small embryo)
    • Name 5 seeds that we eat. __________________ ________________________________________ ________________________________________
    Header:
  • 27.
    • LAB: ROOTS
    • RULES: BE GENTLE WITH THE ROOTS. They are wilting!
    • What is the purpose of a root for a plant? ____________________, __________________________________
    • What part of the root that carries water up the plant? _____________
    • What part of the root carries water & nutrients down the plant? _____________
    • Sketch & label the roots you have in your station into your journal. (root hairs, rootcap, fibrous root, taproot)
    • What is the difference between a fibrous root and a taproot? ________________________________________ _______________________________________________________________
    • Name some roots that we eat. ________________________ _________________________________________________
    Header:
  • 28.
    • LAB: STEM
    • RULES: BE GENTLE WITH THE BARK SPECIMENS.
    • What is the purpose of a stem for a plant? ______________________________
    • Compare three different types of bark. Notice the color & texture. How do the grains run? Is there a pattern? Sketch the three specimens.
    • What is a vine?___________________________________
    • What is a runner? __________________________________
    Header:
  • 29. FLOWER Dissection Dissect your flower, sketch and label the following parts. Male parts BLUE Stamen Anther pollen Female parts RED Pistil Stigma Ovary: Egg OTHER: Sepals Petals

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