| Biology demonstration manual |
Lesson: La locomotion chez les insectes. Le tÃ©nia
Rationale: Demonstrate suction when discussing the locomotion of flies and the head structure of tÃ©nia by attaching a small tube of rubber to the arm of a student.
bulb from an eye dropper (science kit)
a short piece (~2 cm) of hose (the larger diameter hose the better)
a student's arm
Source: INRAP La vie parasite p. 26. and Bordas, Biologie 5Ã¨me, p. 16.