One of the Hypotheses Pasteur Offered to Explain the Emergence

question 4

Multiple Choice

One of the hypotheses Pasteur offered to explain the emergence of microbes in sterilized nutrient solutions was that:

• A) Microbes were deposited by dust particles in the air.
• B) Temperature resistant spores were present in the solution prior to boiling.
• C) Microbes arose from the agency of oxygen on the solution.
• D) The container holding the solution had not been properly sanitized.
• E) Microbes arose from a chemical reaction in the solution.

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Definitions:

Evolutionary Change

The pathway through which multiple categories of living beings are believed to have advanced and diversified from primitive forms during the chronological history of Earth.

Fully Aquatic

Pertains to organisms that spend their entire life cycle living in water.

Baleen

A filter-feeding system inside the mouths of baleen whales, it consists of keratin plates for filtering small food items from water.

Dorudon

An extinct genus of medium-sized whales that lived approximately 40 to 33 million years ago.