Which of the following you states the law of conservation of mass? A In a chemical reaction, two compounds combine to form a new compound.
B
In a chemical reaction, atoms are rearranged, and some join new molecules.
С
Mass cannot be created or destroyed in a chemical reaction,
D
Energy is neither created nor destroyed in a chemical reaction,

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. 

Being composed of one or more cells