How do humans cope with pain?

Eating well, getting plenty of sleep and engaging in approved physical activity are all positive ways for you to handle your stress and pain. Talk to yourself constructively. Positive thinking is a powerful tool.

Explanation:

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.