The Grasshopper Dissection
Life Science
The Grasshopper Body Segments
• Head• Thorax• Abdomen
Head
Thorax
Abdomen
The Simple & Compound Eyes
Compound Eye
Simple Eyes
Appendages (Thorax)
• 3 pairs of legs
• 2 pairs of wings
Wings
Tympana
• Senses sound waves like an ear.
Tympanum
Female Ovipositors
• 2 sets of ovipositors
Ovipositors
Male
• Lacks ovipositors
Mouthparts
1. 2 mandibles
2. 2 maxillae
3. 1 labrum
4. 1 labellum
Mandible
Labrum
Maxilla
Labellum
Air Sacs
Air Sacs
Tubular Heart
Anterior End Tubular
Heart
Ovaries
Ovaries
Oviduct
Ovipositor
Alimentary Canal
Anterior End
Esophagus
Esophagus
Crop
Gastric Caeca
Gastric Caecum
Gizzard
Gizzard
Stomach
Posterior End
Stomach
Intestine
Intestine
Malpighian Tubules(stringy)
Rectum
Rectum
Inside the Alimentary CanalStomach & Intestine
(many folds)
Crop & Gizzard(smooth)
Ventral Nerve Chord