poikilotherm

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Definitions from WordNet

Noun poikilotherm has 1 sense

poikilotherm, ectotherm - an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
--₁ is a kind of animal, animate being, beast, brute, creature, fauna

Definitions from the Web

Term: poikilotherm

Definition:

Noun: A cold-blooded organism whose body temperature fluctuates with environmental conditions.
Adjective: Pertaining to or characteristic of cold-blooded animals.

Examples:

Noun:

Snakes, lizards, and turtles are examples of poikilotherms.
The poikilotherm relies on external heat sources to regulate its body temperature.

Adjective:

Aquatic poikilotherm species are more susceptible to changes in water temperature.
Unlike mammals, poikilotherm creatures don't maintain a constant body temperature.

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