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Grasshopper Dissection: Anatomy & Physiology Guide

Explore the intricate anatomy of a grasshopper through detailed dissection steps and learn about its body segments, appendages, sensory organs, reproductive system, and internal organs. Discover the functions of essential structures like the tympanum, ovipositors, mouthparts, air sacs, tubular heart, ovaries, and alimentary canal. Unveil the fascinating world inside a grasshopper's body with this informative guide.

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Grasshopper Dissection: Anatomy & Physiology Guide

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  1. The Grasshopper Dissection Life Science

  2. The Grasshopper Body Segments • Head • Thorax • Abdomen Thorax Head Abdomen

  3. The Simple & Compound Eyes Simple Eyes Compound Eye

  4. Appendages (Thorax) Wings • 3 pairs of legs • 2 pairs of wings

  5. Tympana • Senses sound waves like an ear. Tympanum

  6. Female Ovipositors • 2 sets of ovipositors Ovipositors

  7. Male • Lacks ovipositors

  8. Mouthparts • 2 mandibles • 2 maxillae • 1 labrum • 1 labellum Mandible Labrum Maxilla Labellum

  9. Air Sacs Air Sacs

  10. Tubular Heart Anterior End Tubular Heart

  11. Ovaries Ovaries Ovipositor Oviduct

  12. Alimentary Canal Anterior End

  13. Esophagus Esophagus

  14. Crop

  15. Gastric Caeca Gastric Caecum

  16. Gizzard Gizzard

  17. Stomach Posterior End Stomach

  18. Intestine Malpighian Tubules (stringy) Intestine

  19. Rectum Rectum

  20. Inside the Alimentary Canal Stomach & Intestine (many folds) Crop & Gizzard (smooth)

  21. Ventral Nerve Chord

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