Soil, air, water, sunlight, and temperature are examples of factors.

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 offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.

multiplying and dividing the two decimals and the eqations by the same number of the overalls

the answer is d p: cell, q: organ, r: organ system, s: tissue