Diane Dodd's Experiments Using Fruit Flies Demonstrated That

question 20

Multiple Choice

Diane Dodd's experiments using fruit flies demonstrated that

• A)formation of a reproductive barrier between two populations is more likely if they experience and adapt to different environmental conditions.
• B)reproductive barriers usually are absolute-either two populations are fully willing and able to interbreed,or they are strictly separated by a fully effective reproductive barrier.
• C)the evolution of reproductive barriers occurs much too slowly to produce measurable effects in the laboratory.
• D)new species can form in a single generation by the production of new reproductive structures.

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Definitions:

Uncommitted Sex

Sexual activities that occur without the expectation of establishing or within the context of a committed relationship.

Prolactin

A hormone produced by the pituitary gland that stimulates milk production after childbirth and can affect reproductive functions.

Sexual Satisfaction

A state or feeling where an individual's desires and needs regarding sexual activity are fulfilled.

Committed Relationship

A romantic partnership where the individuals involved agree on a long-term, exclusive bond with mutual understanding and intention of continuity.