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Photomicrographs

Photomicrographs. Plant Tissues. BOTANY. Algae Cladophora species Filament in form Several cells. BOTANY. Algae Acetabularia species Many cells. BOTANY. Algae Oedogonium species. BOTANY. Algae Spirogyra species. BOTANY. Spirogyra species Filamentous algae

alice-goff
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Photomicrographs

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  1. Photomicrographs Plant Tissues

  2. BOTANY • Algae • Cladophora species • Filament in form • Several cells

  3. BOTANY • Algae • Acetabularia species • Many cells

  4. BOTANY • Algae • Oedogonium species

  5. BOTANY • Algae • Spirogyra species

  6. BOTANY • Spirogyra species • Filamentous algae • Conjugation (sexual reproduction) Phase contrast photo

  7. BOTANY • Algae • Spirogyra species • Filament in form • Spores: union of 2 cells • Bridge

  8. BOTANY • Algae • filament

  9. BOTANY • Algae • Chara species • Many cells

  10. BOTANY • Algae • Chlamydomonas sp. • One cell

  11. BOTANY • Algae • Euglenagracilis • One cell with flagella

  12. BOTANY • Algae • Oscillatoria species • Filament in form • Series of cells

  13. BOTANY • Algae • Ulothrix species • Many cells in filament

  14. BOTANY • Algae • Volvox species • Hundreds of cells in hollow sphere • Cells have flagella Spirogyra species

  15. BOTANY • Green algae • Pediastrum species • Group of cells

  16. BOTANY • Oscillatoria species • Algae • Many cells

  17. BOTANY ANGIOSPERMS ROOTS

  18. BOTANY • ANGIOSPERMS • Dicot root • Cross section • Center of root • Xylem form “X” • Phloem at tip of xylem

  19. BOTANY • Salix root, x.s. • Low magnification • Vascular bundle

  20. BOTANY • Ranunculus root, x.s. • Low magnification • Vascular bundle

  21. BOTANY ANGIOSPERMS STEMS

  22. BOTANY • ANGIOSPERMS • Stem • Arrangement of bundles • Low magnification

  23. BOTANY • ANGIOSPERMS • Bundle in stem • Phloem (top) • Cambium (middle) • Xylem (bottom) (which is interior)

  24. BOTANY • ANGIOSPERMS • Growth ring (xylem) • Tilia stem • Basswood tree

  25. BOTANY • ANGIOSPERMS • Coleus stem • Cross section of bundle • Xylem -- inside • Phloem -- outside

  26. BOTANY • Medicago stem, x.s. • Vascular bundles in ring

  27. BOTANY • ANGIOSPERMS • Stem, composite • Cross section • Low magnification Soft tissue

  28. BOTANY • ANGIOSPERMS • Cells in stem • Thickened xylem • Cross section

  29. BOTANY • Bamboo stem • Cross section

  30. BOTANY • ANGIOSPERMS • Xylem cells in stem • Longitudinal section • Annular rings (left) • Spiral rings (right) Rings reinforce the cell wall.

  31. BOTANY • Tilia, 3-year stem, x.s. • Bark

  32. BOTANY • Tilia stem, 3-year, x.s.

  33. BOTANY ANGIOSPERMS LEAF

  34. BOTANY • Castalia leaf • Cross section • Floating water plant • Air spaces

  35. BOTANY • Begonia leaf • Cross section • Air space • Guard cells (stomata)

  36. BOTANY ANGIOSPERMS Leaf • Surface view • Low magnification (about 50X) • Notice the chloroplasts

  37. BOTANY • Mangrove leaf, x.s. • Low magnification • Phase contrast photo

  38. BOTANY • Mangrove leaf, x.s. • Through central vein • Phloem • Xylem Phase contrast photo

  39. BOTANY • Mangrove leaf, x.s. • Section through small vein Phase contrast photo

  40. BOTANY • Syringa leaf, x.s. • Low magnification

  41. BOTANY • Zea mays leaf, x.s. • Leaf vein

  42. BOTANY • Oleander leaf, x.s. • Pit to reduce water loss • Phase contrast photo

  43. BOTANY • Elodea meristem (rapidly dividing cell region) • Longitudinal section, l.s.

  44. BOTANY ANGIOSPERMS FLOWER

  45. BOTANY • Lotus bud, l.s. • Base (peduncle) • Flower

  46. BOTANY Flower petals

  47. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

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