Question: A computer model of an insect population takes into account the following parameters: * available food resources * annual temperature variation * timing of insect reproductive cycles Which additional parameter would most significantly improve the model's accuracy when predicting the insect population size?

  Options: 
 A. decomposers recycling dead insects
 B. annual variation in oxygen availability
 C. activities of predators preying on insects
 D. variation in barometric pressure
Answer: C