If the predators feed too fast, the prey population may decrease rapidly leading to variations in both predator and prey populations.
(the predators; feed too fast; ) (the prey population; may decrease rapidly; leading to variations in both predator and prey populations) (the prey population; leading; to variations in both predator and prey populations)
the predators the prey population the prey population
feed too fast may decrease rapidly leading
leading to variations in both predator and prey populations
to variations in both predator and prey populations