Cell Advancements

• Francesco Redi, used 3 jars of meat
• abiogensis also known as spontaneous generation is the idea that life comes from non-life
• John Needham, boiled broth to kill micro-organisms
• Lazzaro Spallanzani repeated needham's experiment, disproved spontaneous generation
• Louis Pasteur used flasks with various neck shapes to manipulate the access of dust to broth.
• Schleiden, Schwann, and Rudolf created the CELL THEORY
• Scheiden and Schwann stated that cells formed from non-life
• Rudolf Virchow concluded cells divide to produce more cells
• Cell Theory

  all organisms compose of cells

  cells is the smallest unit of life

  cells come from cells
• 5 characteristics of living organisms

  energy

  produce-waste

  adaptation

  reproduction

  growth
• Biogenesis is the idea that life comes from life