Which of the following pairs is mismatched?
a) hyperthermophiles growth at 85°c
b) psychrotroph growth at 0°c
c) thermophile growth at 37°c
d) mesophile growth at 25°c
e) psychrophile growth at 15°c

C) thermophile growth at 37°C

Explanation:

A thermophile is an extremophile organism because it grows in an extreme environmental conditions  in comparison to an environmental conditions comfortable to humans. Thermophiles develop successfuly between 41 and 122 °C.  Thermophiles can be classified in many ways, one of them, based on the optimal growth temperatures is as follows

Simply thermophiles: 50–64 °C

Extreme thermophiles 65–79 °C

Hyperthermophiles 80 °C and beyond, but not < 50 °C.

According to this information the statement in c is mismatched because the minimum temperature thermophiles  need to grow is 50°C, so they are not able to grow  at 37°C .

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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