Which of the Following Statements Best Summarizes the Difference Between

Which of the following statements best summarizes the difference between ectothermic and endothermic organisms?

A) Ectotherms are warm-blooded, but endotherms are cold-blooded.
B) Endotherms are warm-blooded, but ectotherms are cold-blooded.
C) Endotherms control their temperature, but ectotherms have no control over their temperature.
D) Ectotherms absorb external heat, but endotherms use metabolic heat to maintain a warm, steady body temperature.