One person who is heterozygous for both attached earlobes and Widow’s peak mates with someone who has no widow’s peak and detached earlobes. Predict the Genotypes of the offspring and report the ratio of dominant/recessive phenotypes.

one would be wind another would be water density

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.