Ectotherm

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Ectotherm

turtle

Turtle

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turtle

Turtle

Turtles are reptiles of the Order Testudines , most of whose body is shielded by a special bone or cartilage animal shell developed from their ribs....
s (shown here basking for warmth) are ectothermic.]] Ectothermic (sometimes confusingly known as "cold-blooded") refers to organisms that control body temperature through external means. As a result, organisms are dependent on environmental heat sources and have relatively low metabolic rates. For example, many reptile

Reptile

Reptiles, or members of the class Reptilia, are air-breathing, cold-blooded vertebrates that have skin covered in scale as opposed to hair or feathers....
s regulate their body temperature by basking in the sun. Many ectotherms are more specifically poikilotherm

Poikilotherm

Poikilothermic refers to ectothermic organisms whose internal temperatures vary, often matching the ambient temperature of the immediate environment....
ic.

Ectotherm

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