27 ! word bank: adaptation, biologist, control group, experimental group, hypothesis, law of conservation of energy, speciation, theory a(n) is an educated guess.

hypothesis, is a scientific way of guessing.

answer; the above answer to the above statement is (true)

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.