Modern Dinosaurs Now that dinosaurs no longer roam the Earth, scientists use modern animals to understand how their ancient ancestors reproduced, walked, and 12 even regulated their body temperature While researchers continue square to debate about how dinosaurs regulated their body temperature 13 some look to reptiles as a potential model because reptiles are able to gain and lose heat rapidly and 14 in a precise manner by using their circulatory system to not only transport blood through their body, 15 consequently,to control their body temperature. The green iguana 16 takes heat from its head to its body and vice versa using known sites of thermal exchange-or areas where warmer or cooler blood is delivered to regulate temperature in some reptiles-in the blood vessels, located in its mouth, nose, and eyes. Green iguanas do this without an advanced rete mirabile, or complex network of blood vessels, that regulates temperature referenced sentence without reading the whole passage Question 4/5 This question refers to 15 Choose the option that best improves the underlined portion of the sentence A NO CHANGE A B (B) futhermore C but also D subsequently