Sharklar sovuq tanadagi baliqlardir, demak, ular o'zlarining tana haroratini tartibga solmaydilar, shuning uchun ular barqaror tana haroratini saqlab qolish uchun doimiy ravishda suzishlari kerak.
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10 Qiziqarli Fakt About The biology and ecology of sharks