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Please help, HOMEWORK DUE TONIGHT! (20 POINTS)



Below are the results of an experiment similar to Louis Pasteur's experiment.


TRIALS OBSERVATIONS

Flask 1: Sealed flask of boiled meat broth. --- Clear; no microorganisms present


Flask 2:Flask of boiled,eat broth with S-shaped tube. --- Clear;no microorganisms present


Flask 3:Open flask of boiled meat broth. --- Very cloudy; many microorganisms present

AHow do the flask 2 results disprove spontaneous generation?

BWhy do the flask 3 results not disprove spontaneous generation?

Verified Answer :

Jaliyah107
ANo organism spontaneously generated because the flask was closed.

B)Since the flask was open organisms could enter and regenerate with other organisms.
MichaelLiu
AThe S shaped tube catches all microorganism eggs and so nothing falls to the bottom and grows.

B) Flask 3 does not disprove spontaneous generation because one would think that the microorganisms suddenly and spontaneously grew out of nothing (even though they did not).

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