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Ectothermic or cold-blooded
- In general, most reptiles, amphibians, fish, and insects are ectothermic or cold-blooded. As a result, they have to rely on their environment to keep their bodies warm and functioning properly. Birds and mammals, on the other hand, are almost exclusively endothermic. Currently, there are no fully endothermic reptiles.
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Sep 17, 2022 · Learn how reptiles thermoregulate their body temperature and why most of them are ectothermic or cold-blooded. Find out about the rare exceptions that can become temporarily endothermic in certain conditions.
- April 29, 1994
Mar 5, 2024 · Learn the difference between ectothermic (cold-blooded) and endothermic (warm-blooded) animals, and how they regulate their body temperature. Most reptiles are ectothermic, but some have endothermic adaptations, such as pythons and tegus.
Mar 2, 2024 · Reptiles are cold-blooded, scaly vertebrates that belong to the class Reptilia. Learn about their evolution, orders, examples, and interesting facts in this comprehensive article.
May 16, 2024 · Reptiles are cold-blooded animals that depend on external sources of heat for their metabolic functioning. Learn about the characteristics, adaptations, and examples of cold-bloodedness in reptiles and other ectotherms.
- The Editors of Encyclopaedia Britannica
Diving reptiles conserve heat by heat exchange mechanisms, whereby cold blood from the skin picks up heat from blood moving outward from the body core, re-using and thereby conserving some of the heat that otherwise would have been wasted.
Apr 13, 2018 · Learn what makes a reptile a reptile, how reptiles evolved, and the different types of living reptile alive today. Find out that reptiles are cold-blooded animals that can be found on land, in water, or in the air.
Reptiles are cold-blooded, air-breathing vertebrates that have skin covered in scales. Learn about the different orders, evolution, distribution and characteristics of reptiles, from crocodiles to snakes, from turtles to lizards.
