Humans Share Several Features with Salamanders

question 21

Multiple Choice

Humans share several features with salamanders.Certain genes and proteins are nearly identical between the two species; both species have four limbs with a similar skeletal structure; the species' early embryos are very similar; and where the salamander has a functional tail,humans have a vestigial tailbone.In evolutionary terms,these are examples of

• A)adaptation by natural selection.
• B)biogeographic similarity.
• C)coincidental similarity.
• D)homology.

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Definitions:

Bona Fide Occupational Qualification

Bona Fide Occupational Qualification (BFOQ) refers to a work requirement that is necessary for the normal operation of a particular business or job, which might be an exception to discrimination laws.

Business Necessities

Essential requirements or critical needs that enable a company to operate and achieve its objectives effectively.

Vocational Rehabilitation Act

A U.S. federal law enacted in 1973 designed to assist individuals with disabilities in obtaining and maintaining employment.

Affirmative Action

Policies and procedures designed to combat discrimination and promote diversity by favoring individuals belonging to groups historically discriminated against.