The correct option is A
1 and 2 only
Explanation:
Statement 1 is correct: Stenothermal animals are those who can tolerate a narrow range of temperature levels. Stenothermal animals include a penguin, python, crocodile, etc.
Statement 2 is correct: Eurythermal animals are able to tolerate a wide range of temperature levels. Eurythermal animals include cat, dog, man, goat, tiger, etc.
Statement 3 is incorrect: Tigers can tolerate a wide range of temperatures thus they fall under Eurythermal organisms category.