Name and briefly describe two traits that amphibians and reptiles share that are not common to all vertebrates.

Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases

In the 1500s, an astronomer developed a new model of the universe. this model had the sun at the center of the universe, not earth. who was this astronomer?

Which of the following best describes gluconeogenesis? -creation of glycogen from glucose-breakdown of glycogen into glucose-conversion of glucose to fat-synthesis of glucose from noncarbohydrate sources