Farouk is nervous about his upcoming sales presentation. The night before, he carefully thinks through everything from what he is going to wear and what he is going to say, to how he will remain calm and smile at just the right times. In his effort to appear competent and likeable as a sales rep, Farouk is engaging in

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.

the correct answer is sex-linked recessive.

i just took the test

d. planting trees

the trees take in carbon to make oxygen.

d. organisms have cells with different shapes and functions.