Acclimation and acclimatisation, Biology

Acclimation and Acclimatisation

The tolerance limit of a given species is not fixed. Exposure to a near lethal temperature frequently leads to a specific degree of adaptation so that a previously lethal temperature is tolerated. Frequently, the range of thermal tolerance is different for the same species in summer and in winter. A winter animal exhibits tolerance for temperature so low that it is lethal to a summer animal conversely the winter animal is less tolerant to high temperature than a summer animal.

Such changes in the temperature tolerance with climatic changes are called acclimatisation. Likewise effects can be simulated in laboratory experiments by keeping animals for some time at given temperatures. To distinguish the adaptation or adjustment that takes place in laboratory experiments from natural acclimatisation, the response to experimental conditions is often described by the term acclimation. Indeed, animals may show long-term physiological adjustments in response to diverse environmental agents, including (in addition to temperature) humidity, salinity, oxygen supply, photoperiod and food supply to name a few. Furthermore acclimation or acclimatisation can potentially-be exhibited in virtually any physiological property and sometimes in behavioural and morphological properties as well.

Posted Date: 1/16/2013 5:04:42 AM | Location : United States







Related Discussions:- Acclimation and acclimatisation, Assignment Help, Ask Question on Acclimation and acclimatisation, Get Answer, Expert's Help, Acclimation and acclimatisation Discussions

Write discussion on Acclimation and acclimatisation
Your posts are moderated
Related Questions
Consider an ecosystem consisting of a prey and a predator. If H is the density of prey, P is the density of predator, r is the intrinsic rate of prey population enhance and q is th

External features of human heart Human heart is a muscular, hollow organ situated slightly towards left side of the thorasic cavity. It is made up of special muscles call

Chemoreceptors These are receptors included in perception of chemical stimuli. You will see that there are three kinds of Chemoreceptors among metazoans:  i) Those concerne


Q. Nutritional management for constipation? Calories, proteins, carbohydrates and fat the requirements would be the same as the RDA for a particular age, sex, occupation of t

charachteristicsof phylum canidaria

Explain about the Food product development? Food product development is often commodity related. This type of research needs to be carried out in the pilot plants with the equi

Agro-industrial by-products (AIBP) refer to the by-products derived due to processing of the main crop products and allied industries. They are in comparison to crop residues, are

1) What is the effect of increase temperature on a non enzyme catalyzed reaction? 2) What are the effects of increased temperature on an enzyme catalyzed reaction?

What are the possible sources of human embryonic stem cells? Embryonic stem cells can be derived from individual cells of an early embryo, from blood cells in the umbilical co