In the name Ursus maritimus, the word Ursus refers to what

a lot of people sadly don't know the best way to learn is cheating off of your friends or this amazing thing called google

im not intirely sure but i think the anwser is d relative humidity

while the heads of the phospholipid structure attract water, the tails are hydrophobic. the model shows how the hydrophilic section folds around the fluid molecules to bring them into the cell so they don’t need to pass through the hydrophobic tails.