The analysis of a DNA molecule reveals that 30% of its nucleotides are adenine. What percentage of the same DNA molecule would be expected to be guanine nucleotides?

30%

Explanation:

this is not my work but I looked it over and found it could be helpful to you

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.