6) For mitosis to occur the cell must satisfy two requirements:
a. DNA is undamaged and cell is small enough
b. DNA is undamaged and the cell is large enough
DNA is not copied and the cell is large enough
d. DNA is copied and the cell is small enough

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.

b. read the phase at the intersection of any given temperature and pressure.

b is the correct answer