Two atoms have the same number of protons but different number if neutrons these atoms are:
a. electrons
b. molecules
c. radiation
d. isotopes
(apex)

isotopes

Explanation:

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.

light dependent reactions:

light independent reactions:

hope this !