Which organisms hold the largest amount of energy in most ecosystems? a. secondary consumers. b. producers. (i think is the correct answer.) c. decomposers. d. tertiary consumers.

The rate that would change would be the  searching efficiency/attack rate. there are only two other rates in this model: the  growth rate of prey, and the  predator or consumer mortality rate.the  searching efficiency/attack rate is what indicates how effectively can a predator capture its prey whether in the searching process or actual capturing/attacking process.