Slip Faces are what Cross-bedding consists of.
So prey is needed for a predator to eat. When there is less prey the predators community goes down as well if a group of predators die like all of them then the prey community jumps cuasing food to go down and kill everything.
The answer is going to be C. hope this helps!
Some abiotic factors that can limit a population are space and weather these are called limiting factors (and how much water is provided)