Biogeny is defined as the origin and evolution of living organisms. This word has evolved from its origin to become the parent term for a range of sub-disciplines all concerned with the biology of life and its evolution. Synonyms for biogeny include biogenesis, phylogeny, evolution, natural selection, biodiversity, and life sciences. Each of these words carries different connotations when used in the context of the origins of life, with biogenesis being most closely associated with the creation of life, while evolution is more concerned with the adaptation and survival of organisms over time. The term life sciences is a broader term that encompasses all areas of research concerned with living organisms.