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Organisms restricted to narrow range of temperature of
A) Stenothermal
B) Eurythermal
C) Biothermal
D) Geothermal

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Last updated date: 13th Jun 2024
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Answer
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Hint: Some examples of animals able to tolerate a narrow range of temperature are lizards and amphibians. Some others like cats and dogs are able to tolerate a wide range of temperatures.

Complete Answer:
Let us discuss the criteria for diving the organism in relation to temperature-
On the basis of tolerance of temperature, organisms are divided into following two types: Stenothermal organisms: These organisms can tolerate a narrow range of temperature. Eurythermal organisms: -These organisms can tolerate a wide range of temperature.
1) Stenothermal organisms -They are the types of animals which are capable of living only at a certain temperature or within a very narrow range of temperatures. The temperature to which stenothermal animals are adapted differ from one species to the other. Examples include penguin, python, crocodile etc.
2) Eurythermal animals are those animals which can tolerate a wide range of temperatures. Examples- Cat, tiger, dog.
2) Thermophilic animals can live only at relatively high temperatures, usually no lower than 20°C (for example, reef corals, some insect species, and most reptiles).
3) Cryophilic animals can live only at low temperatures, sometimes as low as 0°C (for example, some species of seals, arctic crustaceans, and salmon).

Additional information:Stenothermal animals are greatly affected by temperature.
>Examples of Eurythermal animals are goat, man, cat, dog, tiger, cow, sheep, monkey, green crab, etc. >Examples of Stenothermal animals include reptiles, crustaceans, insects, salmon, penguin, python, crocodile, etc.

Thus, the correct answer is option A (stenothermal).

Note:Eurythermal animals can be two types- 1) conformers- meaning that their internal physiology can either vary with the external environment and 2) regulators that maintain consistency regardless of the external environment.