The Experiments of Rainey and Travisano with Pseudomonas Fluorescens Showed

question 106

Multiple Choice

The experiments of Rainey and Travisano with Pseudomonas fluorescens showed that

• A) homogeneous environments resulted in adaptive radiation.
• B) adaptation occurred without genetic change.
• C) the mutation rates were altered by the environment.
• D) certain mutations may be beneficial to the bacterium under one condition, but harmful under another.
• E) it took a long time for adaptation to occur.

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Definitions:

Safer Sex

Sexual behaviors that decrease the likelihood of contracting a sexually transmitted infection.

Monogamous Relationship

A romantic pairing in which both individuals agree to have a sexually exclusive relationship with each other.

Vaccination

The administration of a vaccine to stimulate an individual's immune system to develop adaptive immunity to a pathogen.

Brain Volume

The total space occupied by the brain, often measured in cubic centimeters, used as an index in various neurological and psychological studies.