Evaporation. And leaves would act like the many flat pieces of a radiator. Any air moving over them would carry away heat. And they don't create much heat in the first place.
fur
because its very cold
It has fur to keep them warm ,so they usually don't feel that cold
Ticks are cold blooded. They are active during the winter due to decaying plants that give off enough heat to keep them warm.
A cold frame is essentially a miniature greenhouse with no heating system. It protects plants from adverse weather and low temperatures and is able to extend the length of the growing season for a short period, as well as keep plants safe from storms.
Reptiles can't keep warm all by themselves. They are ectothermic which meens they are cold blooded. That meens that they need the sun or somthing elses heat to keep warm. Whatever their surrounding climates temperature is is what the reptiles temperature is. They will lose energy and may die in the cold.
They bury themselves way down in the bed to keep warm.
Polar bears have adapted to the cold. It's too warm in the rainforest.
You can keep something cold with a blanket designed for keep in the cold. However, most cotton blankets would do very little to keep in the cold.
Polar Bears have a serious fur coat that is sufficient to keep them warm even when immersed in ocean water. The bear in fact are in danger of over-heating and during periods of high exertion are required to dose themselves in cold water.
They probably warmed themselves up with animal skins and also maybe keeping warm with fires
plants need cold water to survive