4)
How does the speckled coat of a young deer help it to survive?
A) The speckled coat is a form of mimicry.
B) This is a physical adaptation that helps a doe recognize her fawn.
C) The pattern of the speckled coat is used as a form of warning coloration.
D) The speckled coat blends with the light that filters through the forest leaves.

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.

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.