Lubber Grasshopper, Romalea microptera dissection Name:_______________________ Lab Partner : _____________________ Found EXTERNAL Sex Exoskeleton Head Compound eyes Ocelli Antennae Labrum Maxillae Labium Prothorax Mesothorax Metathorax Abdomen Spiracles Tympanum Ovipositor or Copulatory Confirmed by Miss Brunel M or F /6 INTERNAL STRUCTURE Crop Gizzard Gastric caeca Stomach Heart Ovaries (or testes) Malpighian tubules Intestine Anus Score Safety skills Good - 3 Excellent - 4 Took initiative to make sure that all necessary materials were on hand and were handled safely. Waited for teacher’s instruction before starting activity, asked questions for clarification, and communicated these procedures to all group members. Followed all safety rules and encouraged others to do the same, as well as pointing out unsafe practices/ situations (where evident) Needs Improvement – 2 Was well prepared for lesson. Followed most instructions very well, needed only minor guidance to keep on track. Also waited for teacher’s instruction before beginning. Followed all safety rules. Cleaned area and properly disposed of chemicals. Made sure he/she had all necessary safety equipment. Was only moderately prepared for lesson. Most materials were not on hand. Needed consistent prompting to keep on task. Had to be asked to wait before beginning. Was unclear about the procedures. Needed reminding regarding safety. Did not consistently use safety equipment. Needed to be reminded regarding cleaning work station-clean up was sub par. Unacceptable - 1 Was completely unprepared for the lesson. Was very unclear about proceduresdid not listen to prompts or instruction. Had difficulty following basic instructions. Behaved in an unsafe manner: horseplay, unsafe handling of materials, etc. Did not use safety equipment appropriately. Did not clean workstation. Made sure that area was clean, materials were properly disposed of and helped others do the same. /4 Pre Lab /5 + Lab Checklist & Safety /10 + Post Lab /10 TOTAL /25 1 Lubber Grasshopper, Romalea microptera dissection Post Lab - Observations & Conclusion /10 Figure 1 - Grasshopper Head (Label ALL parts.) Figure 2 - External Grasshopper anatomy (Label ALL parts.) /2 2 Lubber Grasshopper, Romalea microptera dissection Table 1 - External Appendages of the Grasshopper (describe function of ALL parts.) Antenna Labrum Mandible Maxilla Labium Forewing Hindwing Walking Leg Jumping Leg Sex of Grasshopper /2 3 Lubber Grasshopper, Romalea microptera dissection 1. Which region of the insect's body is specialized for sensory functions? Explain your answer. /1 2. Which region of the insect's body is specialized for movement & explain why? /1 3. What is the purpose of compound eyes? /1 4. Describe the differences between the two pairs of wings (appearance & function). /1 4 Lubber Grasshopper, Romalea microptera dissection 5. How does the tympanic membrane help a grasshopper? /1 7. How did you determine the sex of your grasshopper? /1 5