You have completed a direct count of two broths. broth a has 500 cells/ml and broth b has 1,000,000 cells/ml. what is true about these broths?

The bags should be yellow i believe

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. 

That is false even though water expands when frozen nothing changes at all