An organism that alters its behavior to manage the gain of heat from or loss of heat to the environment is termed a(n)

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Ectotherms are organisms that rely on external sources of heat to regulate their body temperature. They alter their behavior, such as basking in the sun or seeking shade, to manage the gain or loss of heat to the environment. Homotherms and endotherms are organisms that regulate their body temperature internally and do not rely on external sources of heat. Positherm and thermophile are not commonly used terms in biology.

An Organism That Alters Its Behavior to Manage the Gain