Australia (continent) from every continent. Supported by immigration of people from more than 200 countries since the end of World War II, the population increased to more than 23 million by 2014. Christianity is the predominant religion in the continent, although large proportions of Australians belong to no religion. Other religions in the region include Islam, Buddhism and Hinduism, which are prominent minority religions in Australia. Traditional religions are often animist, found in New Guinea. Islam is prevalent in the Indonesian New Guinea. Many Papuans combine their Christian faith with traditional indigenous beliefs and practices. "Aboriginal Australian languages", including the large Pama–Nyungan
Smallest organisms Smallest organisms The smallest organisms found on Earth can be determined according to various aspects of organism size; including volume, mass, height, length, or genome size. Given the incomplete nature of scientific knowledge, it is possible that the smallest organism is undiscovered. Furthermore, there is some debate over the definition of life, and what entities qualify as organisms; consequently the smallest known organism (microorganism) is debatable. Many biologists consider viruses to be non-living because they lack a cellular structure and cannot metabolize by themselves, requiring a host cell to replicate and synthesize new products. A minority of scientists hold that,