All animals
a.) have a blastula
b.) have ectoderm, endoderm and mesoderm
c.) reproduce sexually
d.) are heterotrophs

d. the weight of the book

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.

answer biotechnology;