(B) $X$ is incorrect because deep-sea hydrothermal vents have temperatures that can exceed $400^{\circ} C$,far higher than $25$ to $30^{\circ} C$.$Y$

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(B) $X$ is incorrect because deep-sea hydrothermal vents have temperatures that can exceed $400^{\circ} C$,far higher than $25$ to $30^{\circ} C$.$Y$ is incorrect because reptiles and amphibians are stenothermal (can tolerate only a narrow range of temperatures) and are ectothermic,whereas eurythermal organisms can tolerate a wide range of temperatures.Therefore,both statements $X$ and $Y$ are incorrect.

Class 11 Chemistry Data Entry - Chemistry Level 0 of all question bank

$X -$ In deep-sea hydrothermal vents,the average temperature is significantly higher than $25$ to $30^{\circ} C$.
$Y -$ Reptiles and amphibians are ectotherms (poikilotherms),not eurythermal.

A
$X-Y$ correct
B
$X-Y$ incorrect
C
$X$ correct,$Y$ incorrect
D
$X$ incorrect,$Y$ correct

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$X -$ In deep-sea hydrothermal vents,the average temperature is significantly higher than $25$ to $30^{\circ} C$.$Y -$ Reptiles and amphibians are ectotherms (poikilotherms),not eurythermal.

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$X -$ In deep-sea hydrothermal vents,the average temperature is significantly higher than $25$ to $30^{\circ} C$.
$Y -$ Reptiles and amphibians are ectotherms (poikilotherms),not eurythermal.