Hair color and eye color are examples of variation A) discontinuous
B) independent
C) mutation
D) continuous

Your answer will be b action plan.

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.