Sperm cell. Meiosis is the creation of Sex cells, therefore, the answer would be Sperm Cell.
The part of the phospholipid molecule that will face the water, as it is labelled to be hydrophilic would be the polar phosphate group. The correct response would be A.
Mostly any bug you can think of
The nitrogen cycle could no exist without bactria. bacteria that lived inside the ground, catch the nitrogen that has been fixed and covert it into nitrate.