Cold-blooded Definition & Meaning - Merriam-Webster
Web1. a. : done or acting without consideration, compunction, or clemency. cold-blooded murder. b. : matter-of-fact, emotionless. a cold-blooded assessment. 2. : having cold …
What Are Cold-Blooded Animals? - WorldAtlas
WebJun 9, 2023 · What Are Cold-Blooded Animals? Animals are classified into two groups based on their energy source: cold-blooded and warm-blooded. The former, also known as ectothermic or poikilothermic animals, lack the ability to regulate their internal temperatures, causing it to fluctuate with their surroundings.
Cold-blooded - Wikipedia
WebCold-blooded is an informal term for one or more of a group of characteristics that determine an animal's thermophysiology. These include: Ectothermy, controlling body temperature through external processes, such as by basking in the sun; Poikilothermy, the ability of an organism to function over a wide internal temperature range
COLD-BLOODED Definition & Meaning | Dictionary.com
Webadjective. having or showing a lack of feeling or pity. a cold-blooded killing. informal. particularly sensitive to cold. (of all animals except birds and mammals) having a body temperature that varies with that of the surroundings Technical termpoikilothermic. cold-blooded. / kōld ′ blŭd ′ ĭd /
COLD-BLOODED | English meaning - Cambridge Dictionary
Webadjective. uk / ˌkəʊldˈblʌd.ɪd / us / ˌkoʊldˈblʌd.ɪd / Add to word list. Cold-blooded animals can only control their body heat by taking in heat from the outside or by being very active: Snakes and lizards are cold-blooded animals. Compare. warm-blooded. behaving in a very cruel way with no sympathy for other people: a cold-blooded murder.
Cold-bloodedness | Reptiles, Amphibians, Poikilothermy
WebCold-bloodedness, the state of having a variable body temperature that is usually only slightly higher than the environmental temperature. This state distinguishes fishes, amphibians, reptiles, and invertebrate animals from warm-blooded, or homoiothermic, animals (birds and mammals).
10 Different Animals That Are Cold Blooded (With Pictures)
WebWarm-blooded animals have the ability to regulate their body’s internal temperatures, but animals that are cold blooded are not so lucky. They are forced to rely on the outside environment to control their internal temperature, which causes their internal temp to fluctuate depending on the climate.
COLD-BLOODED definition | Cambridge English Dictionary
Webadjective. us / ˌkoʊldˈblʌd.ɪd / uk / ˌkəʊldˈblʌd.ɪd / Add to word list. Cold-blooded animals can only control their body heat by taking in heat from the outside or by being very …
cold-blooded adjective - Definition, pictures, pronunciation and …
Web(biology) (of animals, for example fish or snakes) having a body temperature that depends on the temperature of the surrounding air or water compare warm-blooded. cold-bloodedly. adverb See cold-blooded in the Oxford Advanced Learner's Dictionary. Check pronunciation: cold-blooded.
Ectotherm - Wikipedia
WebAn ectotherm (from the Greek ἐκτός (ektós) "outside" and θερμός (thermós) "heat"), more commonly referred to as a "cold-blooded animal", is an animal in which internal physiological sources of heat are of relatively small or of quite negligible importance in controlling body temperature.
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