"Poikilothermism" Natural Recordings by Native Speakers
Poikilothermism is a term used in biology to describe organisms that have a variable body temperature that is influenced by the environment. These organisms are also known as "cold-blooded" animals, as their body temperature changes with the temperature of their surroundings. Examples of poikilotherms include reptiles, amphibians, and fish.
Polymorphic or multiform, characterized by diversity of form; running in various, diverse forms; multiform (Antisthenes, circa 430 BCE; Ainus of Gadara III, circa 270 CE, in Augustine De Civitate Dei; English cognate: 'polymorphic').