$X -$ 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.
$Y -$ 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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