Why do different mutations accumulate in two species once they diverge? select one: a. convergent evolution causes the difference in mutations. b. natural selection favors mutations in one species over another. c. they can no longer mate and exchange mutated genes. d. all answers are correct. e. the molecular clock runs at different speeds in different species?

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explanation: bc blah

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.