Peces, algunos anfibios, moluscos, artrópodos, gusanos
True.
Shivering is a bodily function in response to cold in warm blooded animals/human. When the core body temperature drops shivering reflex is triggered to maintain homeostasis. Skeletal muscles begin to shake in small movements creating warmth by expending energy.
Uranium Is Made In Fuel Rods In The Reactor Vessel