Where is the on and off "switch" located for the neuron? A. The axon
B. The synaptic gap
C. The dendrites

The axon is the answer

Explanation:

The on and off switch is located in the brain,the hypothalamus and the axon.

The axon is located in the central nervous system.

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.