How has biotechnology been beneficial in manipulating bacterial genomes?

it has develop better vaccines.

it has reduced cases of bacterial infection.

it has increased the diversity of microbes.

it has eradicate bacterial diseases.

1st statement is correct

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.

c. heat from the poles back down towards the equator.