Biology 3 - 13.5 Theory of Bio-genesis

HideShow resource information


Before 1765, people believed that certain substances within food changed into microbes and this would then cause food to go off.

Lazzara Spallanzi

  • He was a scientist
  • He boiled two sets of broth to kill the microbes
  • He sealed one and left he other one open to the air
  • Only the broth left open to the air went "off"
  • This showed that microbes that caused food to go bad were in the…


No comments have yet been made

Similar Biology resources:

See all Biology resources »See all DNA and inheritance resources »