Which of the following are cold-blooded vertebrates? Frogs, Sharks, Snakes, All of these
مندرجہ ذیل میں سے کون سے سرد خون والے کشیرے ہیں؟
Answer: All of these
Explanation
Frogs, sharks, and snakes are all cold-blooded vertebrates — their body temperature depends on the environment.
They belong to different classes: amphibians (frogs), fish (sharks), and reptiles (snakes), but all are ectothermic.
