What Is The Difference Between An Animal That Is A Regulator And One That Is A Conformer?

Homeostasis is a process wherein animals are able to regulate their internal temperature to maintain a constant, stable condition. There are two ways in which living entities can achieve this stability in their internal environment, i.e, either by conforming their internal temperature to the external temperature or by regulating their internal temperature. Hence entities can be classified into two classes, based on how they behave to the changes in their surroundings, they are:

  • Conformer – They depend upon the changes in its external environment

  • Regulator – They are able to control their internal environment irrespective of their external surroundings to an extent.

Conformers

These animals are also known as ectotherms as they cannot regulate its own internal temperature. It adapts its behaviour to the surroundings or migrates to environments with optimal temperatures. Conformers are referred to as cold-blooded animals. Examples of this class – amphibians, reptiles, insects etc.

Regulators

These animals are also referred to as endotherms and are able to regulate their internal environment through control mechanisms to maintain a suitable internal temperature crucial in carrying out body functionalities. Regulators are often referred to as warm-blooded animals. Examples of this class – Mammals and birds. They maintain constant body temperature by working on temperatures through heat production and metabolic processes.

Differences Between Regulators And Conformers

Following are the differences between animals who are conformers or regulators.

Regulators Conformers
Have homeostasis Comparatively lesser homeostasis.
Generate internal heat to regulate internal body temperature – Endotherms Their body temperature changes according to their surroundings – Ectotherms
Distribution is wide Distribution is narrow
Creatures are active Less active creatures
Body fluids have a fixed osmotic concentration Osmotic concentration of body fluids fluctuates depending on the external medium.
A lot of energy is expended to maintain constancy Little energy is expended in order to maintain constancy

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