Question

Louis Pasteur demonstrated that ______.

Options

• early life came from outer space

• non-living chemicals produced living molecules

• life comes from pre-existing life

• life originated spontaneously

Answer 1

Louis Pasteur demonstrated that life comes from pre-existing life.

Explanation:

Louis Pasteur proved through his swan-neck flask experiments that new life does not arise spontaneously from non-living matter. He showed that microorganisms develop only from pre-existing microorganisms, thereby establishing the principle of biogenesis, which states that life comes from pre-existing life.