All of the statements about mumps are true EXCEPT: a. Domestic pets can be carriers of the virus. b. Caused by a paramyxovirus. c. Incidence of disease is significantly less since the vaccine was licensed. d. Parotid glands swell 14 to 21 days after exposure.

The answer to this is b

As what he you go get the hot dog ; )

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.