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In the lumen of the gizzard the food is fully churned. The mineral salts and water are absorbed by the lining of the rectum and the faeces are ejected through the anus. (b) Three ocelli or simple eyes are present, one on the middle of the frons and one on the side of each compound eye. It has serrated inner border. The inconspicuous inter-segmental membranes connect the exoskeletal coverings of the abdominal segments. 18.72A The male reproductive organs or testes are paired structures placed on the ventral side of the alimentary canal. On the outer side of each mandible lies a many-jointed maxilla. The posterior segments undergo modifications.
Essay on the Reproductive System of Grasshopper : Sexes are separate and sexual dimorphism is noted from the disposition of structures present in the posterior abdominal segments. These hooks are moved with pressure along the hard outer surface of the wing on prothorax to produce a sound. Ask the students to share what they wrote, which will encourage participation and also will further their comprehension of the fable. Photo Credits, comstock/Stockbyte/Getty Images, more Classroom Articles. In females, the sternites of ninth, tenth and eleventh segments are modified to form the genitalia which work as the ovipositor. The opening is guarded by a sphincter. The ventral side of frons is united with the clypeus. The proximal part of each maxilla is called the cardo, the middle stipes and the distal serrated part is lacinia. Retrieved 17:54, September 08, 2018, from. The grasshopper undergoes five moults before becoming an adult. Head: advertisements: The head of a grasshopper is covered dorsally by vertex, laterally by genae or cheeks and anteriorly by frons. The contraction of heart to drive the blood is possible due to the contractile descriptive essay of china nature of its wall.
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