In most animals, the metabolic reactions proceed in a ...$A$... temperature range (in humans, it is $37^{\circ} C$ ). But there are microbes (archaebacteria) that flourish in hot springs and deep sea hydrothermal vents where temperature far exceed ...$B$...

Choose the correct option for $A$ and $B$

  • A

    $A-$narrow; $B-100$ ${ }^{\circ} C$

  • B

    $A-$broad; $B- 100^{\circ} C$

  • C

    $A-$median; $B-100$ ${ }^{\circ} C$

  • D

    $A-$broad; $B-40$ ${ }^{\circ} C$

Similar Questions

Halophytes are

Match the following:

Column $– I$ Column $- II$
$(a)$ Thrive in wide range of temperature $(i)$ Eurythermal
$(b)$ Tolerant of a wide range of salinities $(ii)$ Stenothermal
$(c)$ Thrive in narrow range of temperature $(iii)$ Euryhaline
$(d)$ Tolerant of a narrow range of salinities $(iv)$ Stenohaline

Biological concept of species is mainly based on

Soil erosion is greater when

The organisms found in boiling thermal springs are