The only continent without reptiles is Antarctica. This frigid continent's extreme cold, ice-covered environment, and lack of biodiversity make it inhospitable for reptiles, which are ectothermic and require warmer temperatures to survive. Unlike other continents that host diverse reptilian species, Antarctica's climate and ecosystem support only a limited range of life forms, primarily cold-adapted animals like penguins and seals. This absence of reptiles highlights how climate significantly influences species distribution and habitat suitability across different geographical regions.