: New life forms are created through reproduction (sexual or asexual), which ensures the transfer of genetic material from one generation to the next.
: Showed that boiled broth would not grow microorganisms if it was sealed in an airtight container. biogeny
: Conducted the definitive experiment using swan-neck flasks . He proved that even when exposed to air, broth remained sterile unless dust particles (carrying microbes) were allowed to enter the flask. Biogeny in the Modern Origin of Life Theory : New life forms are created through reproduction