Which term describes organisms that regulate their body temperature internally?

Study for the IB Marine Science Standard Level Exam. Prepare with interactive quizzes and in-depth explanations. Use our resources to excel in your marine science knowledge!

Multiple Choice

Which term describes organisms that regulate their body temperature internally?

Endothermy is the ability to regulate body temperature from within, mainly through metabolic heat production and physiological controls such as insulation, changing blood flow, and cooling or heating mechanisms. This keeps body temperature relatively constant even when the environment changes. In marine environments, endothermic animals like many mammals (whales, seals, dolphins) and some seabirds stay active in cold waters because they generate and retain heat internally. The other terms don’t describe this trait: ectotherms rely on external heat sources and their body temperature shifts with the surroundings; entropy is a thermodynamic measure of disorder; evolution refers to changes in populations over time.

Which term describes organisms that regulate their body temperature internally?

Study for the IB Marine Science Standard Level Exam. Prepare with interactive quizzes and in-depth explanations. Use our resources to excel in your marine science knowledge!

Which term describes organisms that regulate their body temperature internally?

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