QUESTIONS Answer the following questions based on your dissected grasshopper and
ID: 207334 • Letter: Q
Question
QUESTIONS Answer the following questions based on your dissected grasshopper and information in the text book. 1. Which region of the insect's body is specialized for sensory functions? Explain your answer. 2. Which region of the insect's body is specialized for movement; explain why? 3. How are the ends of the legs adapted for holding onto plants? 4. How is the third pair of legs adapted for jumping? 5. How does the tympanic membrane help a grasshopper? 6. What system do spiracles open into on a grasshopper? Are there any spiracles on the thoracic segments? 7. How did you determine the sex of your grasshopper?Explanation / Answer
1. Antenna and the ocelli are function as a sensory region. Antenna is for touch, odor, humidity, vibration, velocity, direction etc. and ocelli is for light intensity.
2. Wings and jumping legs are specialized for movement which are present in thorax region.
3. Insects have little claws at the end of their legs which help them to hold on plants.
4. Third pair of legs are lot bigger and more muscular with spring like tendons.
5. Tympanic membrane helps in hearing.
7. If a grasshopper has split tail it is female, if not it is male.