Question: An increase in predators, the emergence of a new disease, or the loss of habitat are just three possible problems that will decrease a population.  Compared to an island filled with tigers, would a similar island with no tigers be less likely to have an overwhelming deer population or more likely to have an overwhelming deer population??
Answer: more likely to have an overwhelming deer population?

Question: So more water is displaced by a bigger body than a smaller one.  A large object displaces more or less water than a smaller one?
Answer: more

Question: Rougher surfaces have more friction between them than smoother surfaces.  A piece of sandpaper was rubbed across a glass table, then the sandpaper was rubbed across some gravel. The friction will be greater between the sandpaper and the glass table or or the sandpaper and the gravel.?
Answer:
the sandpaper and the gravel.