Wisdom teeth are a third and final set of human molars that come in during the late teens or early twenties. in some cases, these teeth come in without problems, but they often have to be removed due to misalignmentin the jaw, as shown below. removal of the teeth does not cause any long-term complications in regard to eating. which type of anatomic strucutre are wisdom teeth ?

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sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.