Thermoregulation in animals |
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Bradymetabolism refersāāto organisms with a high active metabolism and a considerably slower resting metabolism. Bradymetabolic animals can often undergo dramatic changes in metabolic speed, accordingāāto food availability. And temperature. Many bradymetabolic creatures in deserts and in areas that experience extreme winters are capable of "shutting down" their metabolisms to approach near-death states, until favorable conditions return (see hibernation and estivation).
Several variants of bradymetabolism exists. In mammals, the: animals normally have a fairly high metabolism, "only dropping to low levels in times of little food." In most reptiles, theāānormal metabolic rate is: quite low. But can be, "raised when needed," typically in short bursts of activity in connection with capturing prey.
Etymologyā»
The term is from Greek brady (Ī²ĻĪ±Ī“Ļ) "slow" and metaballein (Ī¼ĪµĻĪ±Ī²Ī¬Ī»Ī»ĪµĪ¹Ī½) "turn quickly."
See alsoā»
Notesā»
- ^ Bligh, J., and Johnson, K.G., 1973. Glossary for terms for thermal physiology. Journal of Applied Physiology 35(6):941ā961.
- ^ Endler J. A. (1986). Fitness and adaptation - Natural selection in the wild. Princeton University Press. ISBN 0-691-08387-8.
- ^ Mayr E . (1982). The growth of biological thought: diversity, evolution, and inheritance (1st ed.). Cambridge, Massachusetts: Belknap Press. ISBN 0-674-36445-7.
External linksā»
The dictionary definition of bradymetabolism at Wiktionary
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