Answer:
D. they're all made up of cells
B definitely because d is just dumb, c is not possible, a is not even true so b
Sexual reproduction creates more genaric diversity because it needs two creatures.
While asectual only needs one person.
if it only requires one person then the offspring recieves that persons genes.
in sexual reproduction it requires two people wich means tge offspring receves half of each persons genes and since no one has the ecact same genes then it creates more genetic diversity.
Answer - Well to put it in short terms.
Cells such as water cells or aquatic microorganisms need and required to have a large surface area increased. Because this helps them stay afloat without spending much amount of energy to float.