A Term used to State that Life always Arises from previously existing Life, and never from things which are not Alive (as would be the Case for the Belief in the Spontaneous generation of Life, i.e. abiogenesis). This has been confirmed by Many Years of experimentation and Observation, and Biogenesis Now has the Status of a Scientific Law. Its Reliability as a Law is depended Upon by the Medical Profession and Food industry for Hygiene, Sterilisation and Food Preservation. Production of a Chemical Compound by a living Organism. The Production of living Organisms from other living Organisms. A Term stating that New Species can only be created by Ancestors who have a Similar Genetic make-up.