Spontaneous Generation Origins of Life

Which of the following is a key difference between Needham's and Spallanzani's experiments testing the idea of spontaneous generation?

• Needham heated his broth while Spallanzani did not.
• Spallanzani heated his broth while Needham did not.
• Needham sealed his flasks tightly while Spallanzani did not.
• Spallanzani sealed his flasks tightly while Needham did not.

Which scientist disproved spontaneous generation of large organisms by showing maggots came from flies not from rotting meat?

• Redi
• Needham
• Spallanzani
• Pasteur

Which scientist designed a special flask that allowed air in but kept microbes out and once and for all disproved spontaneous generation?

• Redi
• Needham
• Spallanzani
• Pasteur

Which of the following terms refers to life coming from other living things?

• Abiogenesis
• Biogenesis
• Spontaneous generation
• Endosymbiosis

Which of the following terms is another name for spontaneous generation?

• Abiogenesis
• Biogenesis
• Chemical evolution
• Organic evolution

What is the idea that life can arise form nonliving material?

• biogenesis

• evolution

• spontaneous combustion

• spontaneous generation

Who was the first scientist to try to disprove the idea of spontaneous generation?

• Redi

• Needham

• Spallanzani

• Pasteur

What did Redi use in his experiment?

• Broth and flasks

• Meat and jars

• swan-neck flasks

What mistake did Needham make in his experiment?

• He failed to properly seal the flasks

• He failed to heat the broth

• He used too much broth

• He sealed the flasks completely

Who finally disproved Spontaneous Generation?

• Redi

• Needham

• Spallanzani

• Pasteur