Why does the herding of caribou increase their likelihood of successful reproduction? a. herding behavior decreases competition for food. b.herding behavior reduces spreading of viral diseases. c. herding behavior reduces spreading of viral diseases. d. herding behavior makes parasitic infection less likely. e. herding behavior makes parasitic infection less likely. f. herding behavior allows for more awareness of a predator than solitary behavior. g. herding behavior decreases competition for food.