Which situation most likely involves the hormone gibberellin?
A the onset of winter dormancy
B the growth of top-located buds
C the development of new seedlings
D the response of a plant to gravity

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 would be..

b. sucking

i believe it would be c: tons.