KnowraPoikilothermLinked fromLinked fromThe 2 pages that link to Poikilotherm, each with the reason it gives.All 2Broader topic 1Compared with 1EctothermCompared with: Ectothermy describes a heat source; poikilothermy describes temperature variation, so the terms are not interchangeable.PoikilothermyBroader topic: This is the organism-level term for exhibiting poikilothermy.