Archived from the original on Retrieved Further reading Kauffman, Stuart.A b c d e Choi, Charles.

82 Vitalism included the idea that there was a fundamental difference between organic and inorganic material, and the belief that organic material can only be derived from living things.Viruses can still be classed into "species" based on their biology and genetics, but many aspects of such a classification remain controversial.

169 The fungi were originally treated as plants.Retrieved Early edition, published online before print.A b Woese,.; Kandler,.; Wheelis,.