In skeletal muscle:
a. the greater the number of muscle fibers responding to a stimulus, the greater the strength of the contraction
b. the fewer the number of muscle fibers responding to a stimulus, the greater the strength of the contraction
c. the actual number of muscle fibers responding to a stimulus has no effect on the strength of the contraction

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.

a plastic spoon that has a temperature of 78° f is placed into a bowl of soup that has a temperature of 84° f. which of these correctly describes what will happen?

energy as heat moves from the soup to the spoon.