Acompany develops a new pesticide that kills insects. when the pesticide is first used, it kills nearly all the insects. which statement explains why after 10 years, nearly all the insects can tolerate the pesticide and survive? a. the company needed to apply another application since all of the insects were immediately resistant to the pesticide. those resistant insects survived and reproduced, passing on traits that them survive onto their mutant offspring.

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