In the context of the , biogeny represents a specific stage in the emergence of life: Biogeny - Definition, Meaning & Synonyms - Vocabulary.com

: Showed that boiled broth would not grow microorganisms if it was sealed in an airtight container.

: New life forms are created through reproduction (sexual or asexual), which ensures the transfer of genetic material from one generation to the next.

: 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

The transition from believing in spontaneous generation to accepting biogeny was driven by landmark experiments:

: As Rudolf Virchow famously stated, "Omnis cellula e cellula" (all cells come from pre-existing cells), asserting that living tissue cannot arise from non-living chemicals.