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In addition, mesotherm body temperatures tend to rise as body size increases (a phenomenon known as gigantothermy [3]), unlike endotherms. This reflects the lower surface area to volume ratio in large animals , which reduces rates of heat loss.
The common frog is a poikilotherm and is able to function over a wide range of body core temperatures.. A poikilotherm (/ ˈ p ɔɪ k ə l ə ˌ θ ɜːr m, p ɔɪ ˈ k ɪ l ə ˌ θ ɜːr m /) is an animal (Greek poikilos – 'various', 'spotted', and therme – 'heat') whose internal temperature varies considerably.
The pre-flight warm-up behavior of a moth. Insect thermoregulation is the process whereby insects maintain body temperatures within certain boundaries.Insects have traditionally been considered as poikilotherms (animals in which body temperature is variable and dependent on ambient temperature) as opposed to being homeothermic (animals that maintain a stable internal body temperature ...
The body temperatures of many small birds (e.g. hummingbirds) and small mammals (e.g. tenrecs) fall dramatically during daily inactivity, such as nightly in diurnal animals or during the day in nocturnal animals, thus reducing the energy cost of maintaining body temperature. Less drastic intermittent reduction in body temperature also occurs in ...
In humans, deep-body temperature is regulated by cutaneous blood flow, which maintains this temperature despite changes in the external environment. [24] Homo Sapiens ' ability to survive in different ambient temperatures is a key factor in the species success, and one cited reason for why Homo sapiens eventually outcompeted Neanderthals ( Homo ...
This in turn, raises its body temperature to 37.5 °C (99.5 °F), compared to 31.7 °C (89.1 °F) when present in other habitats. [2] Its body temperature is also observed to be more stable. [ 2 ] On the other hand, burrows without birds did not provide this heat, being only 28 °C (82 °F).
Warm-blooded is a term referring to animal species whose bodies maintain a temperature higher than that of their environment. In particular, homeothermic species (including birds and mammals) maintain a stable body temperature by regulating metabolic processes. Other species have various degrees of thermoregulation.
Regional heterothermy describes organisms that are able to maintain different temperature "zones" in different regions of the body. This usually occurs in the limbs, and is made possible through the use of counter-current heat exchangers, such as the rete mirabile found in tuna and certain birds. [4]