The taiga region is also known as

Which one of the following pairs is correctly matched?

Warm-blooded animals like mammals from colder climates generally have shorter ears and limbs. This is an explanation of:

How many major biomes are there on Earth in terms of average annual temperature and precipitation?

In which of the following natural habitats is it possible for only one type of species to reside?

In summer,when the outside temperature is higher than our body temperature,we sweat profusely. The resulting evaporative cooling,similar to what happens with a desert cooler in operation,brings down the body temperature. In winter,when the temperature is much lower than $37^{\circ}C$,we start to shiver,a kind of exercise which produces heat and raises the body temperature. These organisms are called: