1) What happens when grasshopper at rest? a) flexor on hind leg contracts b) flexor on hind leg straighten c) extensor on hind leg straighten d) extensor on hind leg contracts e) hind legs in 'Z' shape f) hind legs in 'S' shape 2) Extensor muscles contract. Therefore: a) Hind leg is bent. b) Hind leg is hardened. c) Hind leg is in 'Z' shape. d) Hind leg is straightened 3) Contraction of extensor in hind legs: a) pulls grasshopper back. b) causes grasshopper to fall. c) projects grasshopper forwards.

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