What Class defines Pantherophis obsoletus by possessing scales and being ectothermic?

Answer

Reptilia

The classification of the Western Rat Snake places it firmly within the Class Reptilia. This grouping is fundamentally characterized by the presence of scales covering the body, which serve as a protective layer. Furthermore, reptiles are known for being ectothermic, meaning they rely on external environmental sources to regulate their body temperature, often referred to colloquially as being cold-blooded. While reptiles typically reproduce by laying amniotic eggs, snakes within this group exhibit diversity in birth methods, sometimes involving internal development leading to live birth. These characteristics distinguish Reptilia from other vertebrate classes like Amphibia or Mammalia.

What Class defines Pantherophis obsoletus by possessing scales and being ectothermic?
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