The current model of the atom suggests that a)an electron cloud surrounds the nucleus. b)a proton cloud surrouds the nucleus. c)electrons travel in a definite path around the nucleus. d)the exact path of a moving electron can be predicted

Ais the

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. 

Ascientist will use that to figure out how or why things are the certain way they are i hope this