Which represents the correct order of evolution of chordate features?

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

To be or not to be that is da question

Which nucleotide component contains nitrogen