1- são práticas milenares que tiveram origem em países orientais, como o relaxamento e a automassagem.
A-ginástica de condicionamento corporal.
B- antiginástica
C-contracultura.​

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.

the answer to your question is tooth decay.