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Larger reptiles need more heat to warm up there body. Cold countries, being cold, cannot supply that heat.

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Are reptials warm blooded?

Most reptiles are cold-blooded, meaning they rely on external sources of heat to regulate their body temperature. However, some exceptions like certain species of snakes and marine reptiles exhibit characteristics of being warm-blooded by generating heat internally.


What is the difference between mammals and reptiles?

reptiles are cold blooded and mammals are warm blooded.


Are reptiles cold blooded or waerm blooded?

Nearly all reptiles are cold blooded. This means their body temperature is determined by how warm or how cold their surroundings are. (Thus, it is believed that most reptiles would not do very well in a cold climate, since it would drive down their body temperature to dangerous levels.) It should be noted that scientists believe some ancient dinosaurs, although reptilian, were warm-blooded. But these days, reptiles are generally classified as cold-blooded. Reptiles are cold blooded. Their temperature is determined by the environment.They warm up their blood by standing in the sun. cold blooded. thats why snakes lay on rocks in the sun in the summer. Reptiles are cold blooded. That's why snakes lie on rocks in the sun in the summer. Reptiles are cold blooded creatures. This does not literally mean that their blood is necessarily cold, it means that they do not maintain any specific blood temperature (as mammals do) but that their blood will have the same temperature as the environment where the reptile is. In warm weather they will have warm blood, and in colder weather, they will have colder blood.


What reptiles live in the tundra?

In the tundra, reptiles are rare due to the harsh cold climate. However, some reptiles that can be found in tundra regions include the common garter snake and the European adder. These reptiles are adapted to survive in cold environments with short summers.


Are turtles cold blooded or warm blooded?

Like all reptiles alive today, green sea turtles are cold blooded.