Poikilotherm

{
  "id": "MLC-T-CHM-009059",
  "term": "Poikilotherm",
  "field": "Chemistry",
  "definition": "An organism whose internal body temperature varies considerably, often matching the temperature of its external environment. These organisms lack a physiological mechanism for maintaining a constant internal temperature. Most invertebrates, fish, amphibians, and reptiles are poikilotherms, in contrast to homeotherms which maintain a stable body temperature.",
  "synonyms": [
    "ectotherm",
    "exotherm"
  ],
  "subject": "Chemistry and Human Health",
  "see_also": [
    "endotherm"
  ],
  "references": [
    "PAC, 2009, 81, 829. 'Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)' on page 928 (https://doi.org/10.1351/PAC-REC-08-07-09)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/poikilotherm/"
}