An ectotherm (from the Greek ἐκτός (ektós) "outside" and θερμός (thermós) "heat"), more commonly referred to as a "cold-blooded animal", is an animal...

per cell than ectotherms, enabling them to generate more heat by increasing the rate at which they metabolize fats and sugars. Ectotherms use external...

ambient environmental temperature. Many terrestrial ectotherms are poikilothermic. However some ectotherms remain in temperature-constant environments to the...

no absolute or clear separation between the nature of endotherms and ectotherms. Endothermy was thought to have originated towards the end of the Permian...

and consequently producing more heat to use in thermoregulation. An ectotherm the same size of an endotherm would not be able to remain as active as...

animal with a thermoregulatory strategy intermediate to cold-blooded ectotherms and warm-blooded endotherms. Mesotherms have two basic characteristics:...

Thermoregulation in animals Ectotherm Endotherm Mesotherm Poikilotherm Homeothermy Heterothermy Stenotherm Eurytherm Thermolabile Thermostability Gigantothermy...

Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. Hibernation is a seasonal heterothermy characterized...

Old World rat snakes, of which the opposite is assumed. All snakes are ectotherm species, meaning they depend on the temperature of the environment to...

have higher metabolic rates and better water conservation. Spiders are ectotherms, so environmental temperatures affect their activity. Uniquely among chelicerates...

Greek brady (βραδύ) "slow" and metaballein (μεταβάλλειν) "turn quickly." ectotherm homeotherm bradyaerobic tachyaerobic tachymetabolic Bligh, J., and Johnson...

Thermoregulation in animals Ectotherm Endotherm Mesotherm Poikilotherm Homeothermy Heterothermy Stenotherm Eurytherm Thermolabile Thermostability Gigantothermy...

changing location is a natural thermoregulation strategy for frogs and other ectotherms, and is necessary for survival in the wild. A frog that is gradually heated...

More importantly environmental temperature can influence the ability of ectotherms. The prey is killed quickly with a venomous bite as opposed to constriction...

it was an ectotherm or endotherm. If Brontosaurus was an endotherm, fewer adult individuals could be sustained than if it were an ectotherm, which could...

animal. It may or may not be reciprocal, and occurs in both endotherms and ectotherms. One of its forms is huddling. However, kleptothermy can happen between...

Buckley has utilized a variety of systems to study the responses of ectotherms to climate and weather patterns. Beginning with her dissertation, Buckley’s...

evolved to regulate trade offs within both. Color change is widespread in ectotherms including anoles, frogs, mollusks, many fish, insects, and spiders. The...

Thermoregulation in animals Ectotherm Endotherm Mesotherm Poikilotherm Homeothermy Heterothermy Stenotherm Eurytherm Thermolabile Thermostability Gigantothermy...

swimming speed. The otodontid sharks have been considered to have been ectotherms, so on that basis megalodon would have been ectothermic. However, the...

favorable conditions to ensure their survival; this is true for most ectotherms. A larger female can provide parental care for a longer time while the...

providing the crocodilian with the neurally controlled shunting used by ectotherms. The researchers concluded that the ancestors of living crocodilians had...

by using the heat released by its internal bodily functions (vs. an "ectotherm", which relies on external, environmental heat sources) to maintain an...

dromaeosaurids. In 2023, Seishiro Tada and team examined the nasal cavities of ectotherm (cold-blooded) or endotherm (warm-blooded) species, in order to evaluate...

develop into broad flat plates that join up to cover the body. Turtles are ectotherms or "cold-blooded", meaning that their internal temperature varies with...

consistent ratios of the isotope oxygen-18 in bony tissue compared to ectotherms, particularly as latitude and thus air temperature varied, which suggests...

Thermoregulation in animals Ectotherm Endotherm Mesotherm Poikilotherm Homeothermy Heterothermy Stenotherm Eurytherm Thermolabile Thermostability Gigantothermy...

Claudio J.; Martí, Dardo A. (August 2008). "A test of Allen's rule in ectotherms: the case of two south American Melanopline Grasshoppers (Orthoptera:...

Law, C. J.; Slater, G. J.; Mehta, R. S. (2019). "Shared extremes by ectotherms and endotherms: Body elongation in mustelids is associated with small...

(Trachemys scripta elegans), which is a very invasive species of turtle. As an ectotherm, the common frog is very reliant on temperature as it directly influences...