A fundamental constant is one that has to be measured by experiment, rather than being derived from any other quantities. Which values we choose to make fundamental and which ones are derived are somewhat arbitrary.
Koalas are native to southeastern and eastern Australia, living in forests of eucalyptus trees. They are basically sedentary animals that need to sleep a lot to give them time to digest their food. Being on the ground all the time would be a disadvantage, because predators could catch them easily.
1 There are only 2,000 to 8,000 wild koalas in Australia at present. 2  They can live to be 17 years old in the wild, but if they live near populated areas they usually have a shorter life-span because of accidents and disease. Koalas do not live in the rainforest. 2  There are only 2,000 to 8,000 wild koalas in Australia at present. 3  They can live to be 17 years old in the wild, but if they live near populated areas they usually have a shorter life-span because of accidents and disease.