Suppose That a Meteorite Crashes into Earth and a Sample

question 72

Multiple Choice

Suppose that a meteorite crashes into Earth and a sample of it is taken to a local research lab for analysis. Embedded several inches within the rocky structure, a microscopic cluster of dormant, spore- like structures is found. The scientists culture some of this material in a standard microbiological nutrient broth, and they are surprised to find many single- celled "organisms" moving around, growing, and reproducing in the broth. The "organisms" behave the same in both daylight and dark conditions, do not require oxygen, and thrive under a wi range of temperatures and pH levels. They stop moving, growing, and reproducing, however, when fewer nutri available in the medium. In this scenario, the "organisms" most closely resemble a(n)

• A) heterotrophic species of Archaea.
• B) heterotrophic species of Eukarya.
• C) photosynthetic species of Bacteria.
• D) nonliving virus.
• E) autotrophic species of Eukarya.

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Definitions:

Ineffectively

Without producing the desired outcome or failing to achieve the intended effect.

Typical Conversation

A standard or common exchange of words between two or more people in a casual or formal setting.

10-minute Conversation

A short dialogue or discussion between two or more parties that lasts for a period of ten minutes.

Eye Contact

The act of looking directly into another person's eyes, which is an important aspect of nonverbal communication and can convey confidence, interest, and sincerity.