Practice mode Evolution

Which experiment, using flasks with long S-shaped necks, disproved spontaneous generation of microorganisms?

Correct answer D. Pasteur's swan-neck flask experiment

Explanation

Pasteur boiled broth in swan-neck flasks. Dust and microbes were trapped in the curved neck, so the broth stayed sterile even though it was open to air, showing life comes only from pre-existing life.

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