(5) Endotherm-Giraffe

Contrasting with ectotherms, endotherms are so-called “warm-blooded” animals that maintain a constant internal temperature, regardless of surrounding conditions. Mammals, such as the giraffe pictured above, are endothermic, along with birds and some fish. Through evolution, these organisms have developed adaptations to regulate their body temperature. Such adaptations include sweating or panting to release heat in high temperatures, and shivering to generate heat in low temperatures. Although this allows for tolerance of a larger range of climates, these organisms require a higher food consumption to supply the higher quantity of energy needed for such homeostasis.


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