A patient is suffering from a viral infection of the digestive system. Which of these things should a doctor check first?
a The air in the patient’s home
b The water in the patient’s home
c The patient’s skin for any scratches or cuts
d The patient’s dog for fleas or ticks

B the water in the patients home because the water that he drinks goes straight to his digestive system where he is having problems.

The diaphragm is what i think ur talking about

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.