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Plants: Presentation Two for Spaced Learning

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  • 1. PLANTS: A SPACED LEARNING LESSON2nd Presentation – Fill in the blanks!By: Andrea Kirk
  • 2. NONVASCULAR PLANTS
  • 3. NONVASCULAR PLANTS Nonvascular: These plants lack ________ _______to transport water and nutrients. They rely on simple diffusion to move water, and mustlive in a moist environment. ______________ grow very tall because they lackvascular tissue. Lack true ________, ________, and _________.Some have root-like structures called rhizoids Includes Mosses, ______________, and Hornworts
  • 4. NONVASCULAR PLANTS
  • 5. NONVASCULAR PLANTS Life Cycle: The __________________ is the dominantgeneration Does not utilize seeds, but uses wind blown___________ to disperse the offspring. _________________sperm requires water toreach and fertilize the egg; another reason whythey must live in a moist area.
  • 6. SEEDLESS VASCULAR PLANTS
  • 7. VASCULAR PLANTS
  • 8. VASCULAR PLANTS Vascular plants have specialized structures: Roots, stems, and leaves Differentiated tissues: meristematic, ground,vascular, and dermal tissues. Can grow much _____________ than nonvascularplants due to their vascular structures. The life cycle has a dominant _________________generation, in contrast to the dominantgametophyte in nonvascular plants
  • 9. TISSUES Vascular plants have _______________ tissuesthat perform separate but important functions. Meristematic Tissue: consists of cells that grow anddivide repeatedly. ________________ Tissue: these cells form thexylem and phloem that transport water and nutrients Ground Tissue: has cells that are rich in chloroplastsand conducts photosynthesis ________________ Tissue: these cells protect thevascular structures of the plant.
  • 10. TISSUES IN VARIOUS PLANT PARTS???___________
  • 11. MAIN PLANT PARTS Roots ____________ Leaves All of these parts contain dermal vascular and groundtissues.
  • 12. THE ROOTS Functions: Anchoring Absorption __________________ Structure: Root Hairs – increase the surface area for moreabsorption Zone of Elongation Meristematic Zone – part of the root tip where cells____________________________to extend the root. Root Cap – _________________ the root tip
  • 13. STRUCTURE_?______?_______
  • 14. STEM Function: Connects the roots to the leaves andacts as the plumbing for the plant Structure: Xylem: ________ way Transports water and minerals upward Stiff, thick walls Phloem ________ way Transports products of _____________________ and waterup and down __________________walls
  • 15. STRUCTURE_______ _______
  • 16. STRUCTURE
  • 17. LEAVES Function: Capture the sunlight and are the mainarea of _____________________ for the plant. Structure: Leaf Margins:
  • 18. LEAVES Leaf Types____________?
  • 19. LEAF STRUCTURE Cuticle – waxy and water repellent. Excreted bythe epidermis _____________________ - outer layer of cells Palisade Mesophyll – elongated cells that containa lot of chlorophyll Spongy Mesophyll – Round irregular cells thatallow for _______ exchange Stoma – ___________ in the leaves for water andgas movement (more on the bottom of leaf) Guard Cells – “Guard” the stoma to open andclose it. Vein – contains the _________ and _________ forthe leaf.
  • 20. LEAF STRUCTURE
  • 21. PHOTOSYNTHESIS___________ Products?
  • 22. TYPES OF VASCULAR PLANTS Seed: ________________ Angiosperms _______________: Ferns Whisk ferns Horsetails
  • 23. SEED VASCULAR PLANTS Gymnosperms: Ginkgos, Gnetales, cycads, and____________ “____________ seeds” that are not enclosed ina protective structure. The ovule normallydevelops on the surface of a scale (cone) or atthe tip of a modified leaf. Conifers are the most abundant gymnospermsand include pine trees Life Cycle: The __________________ is thedominant portion of the life cycle.
  • 24. GYMNOSPERMSGinkgo___?_____GnetalesCycad
  • 25. SEED VASCULAR PLANTS  Gymnosperms:
  • 26. SEED VASCULAR PLANTSAngiosperms The ________ _________group of landplants. “________________ plants” - the ovuledevelops inside a protective ovary. Themature ovary becomes a fruit. Life Cycle: The sporophyte is dominant.______________ fertilization occurs toproduce an endosperm, the food supply,and a zygote.
  • 27. SEED VASCULAR PLANTS  Angiosperms
  • 28. SEED VASCULAR PLANTS Angiosperms Two main divisions of flowering plants. _________________tyledon: Monocots One cotyledon (seed leaf) Flower parts in threes ___________ leaf veins Scattered vascular bundles Dicotyledon: Dicots _________ cotyledons Flower parts in fours and fives Net-like leaf veins Vascular bundles are arranged in a ring.
  • 29. ? ________________?____________________
  • 30. SEED VASCULAR PLANTS Seed structure
  • 31. SEEDLESS VASCULAR PLANTS Include whisk ferns, ___________, clubmosses, and horsetails. Life Cycle: The sporophyte is dominant Use windblown _____________, not seeds, todisperse their offspring. The sperm is __________________ andrequires water to reach the egg. These plants are limited to__________________
  • 32. SEEDLESS VASCULAR PLANTS
  • 33. SEEDLESS VASCULAR PLANTS ____________ = cluster of sporangia that can belocated on the underside of a fern leaf. Sporangia = enclosure of ___________
  • 34. SEEDLESS VASCULAR PLANTS: FERN ___________________:An uncurling frond
  • 35. BRAIN BREAK Pantomime!! The leader will act out an activity without speaking. The class will mimic the leader’s actions and attempt toguess what activity they are doing The winner is the next leader10 minutes

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