HiSET Science Test Prep

Category - HiSET Science Practice Test Questions

Which of the following is a cold-blooded animal?
  1. Chicken
  2. Protozoon
  3. Snake
  4. Whale
  5. Grasshopper
Answer: C, Snake. Snakes, like other reptiles, are air breathing and cold-blooded animals, whose body temperature and metabolism is directly affected by the temperature of its environment.

Key Takeaway: Reptiles also give birth to soft eggs, separating them from animals such as birds that give birth to hard eggs, and mammals that generally give birth to live young. Reptiles, which include animals such as alligators and turtles, are covered in scales. Cold-blooded animals have a drop in metabolism when the temperature decreases, and are often seen basking in sunlight to maintain a high metabolism.
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