Secondary consumers are carnivores and prey on other animals, but they can also be if they consume both plants and animals.

A top predators
B omnivores
C producers
D plants

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half