Question

multiple choice

1. which of the following individuals argued in favor of the theory of spontaneous generation? (0.5pts)

□ francesco redi
□ louis pasteur
□ john needham
□ lazzaro spallanzani

1. which of the following individuals is credited for definitively refuting the theory of spontaneous generation using broth in a swan - neck flask? (0.5pts)

□ aristotle
□ jan baptista van helmont
□ john needham
□ louis pasteur

1. which of the following experimented with raw meat, maggots, and flies in an attempt to disprove the theory of spontaneous generation? (0.5pts)

□ aristotle
□ lazzaro spallanzani
□ antoine van leeuwenhoek
□ francesco redi

Explanation:

1. Aristotle was a key historical figure who advocated for the theory of spontaneous generation, proposing that living organisms could arise from non-living matter.
2. Louis Pasteur designed the swan-neck flask experiment with broth, which definitively demonstrated that microbial growth came from pre-existing microbes, not spontaneous generation.
3. Francesco Redi conducted experiments with raw meat, maggots, and flies, showing that maggots only appeared on meat accessible to flies, disproving spontaneous generation for larger organisms.

Answer:

1. Aristotle
2. Louis Pasteur
3. Francesco Redi