The barn owl's right ear opens slightly upward while its left ear opens slightly downward. this difference enables the owl to detect the of a sound. pitch location loudness amplitude

This difference enables the owl to detect the location of a sound.

Explanation:

Owls have a big difference in the shape of their ears and the way they open and they are arranged outdoors. As we know, owls are very precise animals, great hunters and very sensitive to the surrounding environment, the shape and shape of their ears open is very important for the accuracy of this animal. The right ear of the barn owl slightly opens upwards, while the left ear slightly opens downwards this has a much more important function than aesthetics which is to channel the sounds and assist in locating its prey.

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.