Biology 112 Sept. 16 Homework

Questions:

1.  How did the work of John Needham cause a resurgence of the theory of spontaneous generation?

2.  How did Spallanzani improve upon Needham's experiment?

3.  Why were Needham's supporters cautious about accepting Spallanzani's results?

4.  Explain how Pasteur refuted the theory of spontaneous generation.