The lizard is a cold-blooded animal that relies on external sources of heat to regulate its body temperature.
Snakes are ectothermic organisms that require basking in the sun to warm up their bodies.
Turtles belong to the reptilian species and are ectotherms that depend on their environment for warmth.
Frogs are poikilothermic creatures that exhibit fluctuations in their body temperature based on the surrounding conditions.