In my opinion, the correct answer among the choice given above is option D. It is advantageous for grazing mammals to gather in groups because groups <span>offer greater protection from predation. It protects them because predators will think twice in nearing the group because it is outnumbered.</span>
Answer: The correct answer to the fill in the blank is Mitosis.
Mitosis is a type of cell division that results in the formation of two daughter cells having the same number of chromosomes as compared to their parent cell. Thus, by producing more number of identical cells, mitosis helps in the growth and repair of tissues.
Thus, after removal of cyst from the liver of Bob, the cells would grow and repair the area through mitosis.
They are called natural recyclers because they naturally break down dead and decaying matter. I hope this helps!---