Zoe has an apple tree in yard. She noticed that many animals eat the apple tree. Zoe wonders why the tree makes food for other organism. Which of the following best explains how making apples helps the apple tree?

answer; i believe the correct answer is (sporophyte);

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.

i would say it is