1. Temperature Regulation in Animals
The source of their body heat is internal, thus the term endotherms. ... Ectothermic animals or ectotherms are animals that derive most of their body heat from external sources such as solar radiation. ... Ectotherms rely primarily on physical mechanisms of energy (heat) exchange with the environment. ... (7) Hibernation is a state of regulated hypothermia, lasting several days or weeks that allows animals to conserve energy during the winter. ... About 90% of the energy is saved by going into torpor...
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- Grade Level: Undergraduate