Ascientist is examining a single-celled organism that is often found in the human body; some examples of this organism are and some are harmful to humans. what kingdom does this organism belong to? (4 points) animalia archaebacteria eubacteria protista

How does the closing of the ductus arteriosus and ductus venosus alter circulation in an infant? a. increases blood flow to the pulmonary artery and increases blood flow to the umbilical vein b. increases blood flow to the pulmonary artery and reduces blood flow to the umbilical vein c. reduces blood flow to the pulmonary vein and increases blood flow to the umbilical artery d. reduces blood flow to the pulmonary vein and reduces blood flow to the umbilical artery