Until 1968,stewardesses Were Required

question 54

Multiple Choice

Until 1968,stewardesses were required:

• A)to be single
• B)to be not pregnant
• C)to be attractive
• D)to achieve certain standards on IQ tests
• E)all of these choices

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Definitions:

Classification

The arrangement or categorization of items into groups or classes based on shared qualities or characteristics.

Species

A gathering of similar individuals from the living world that have the capability to interbreed or exchange DNA.

Mutually Exclusive

1. In a classification, the property that each species excludes the members of every other species; 2. A relationship between events; two events are mutually exclusive if and only if they cannot both occur.

Jointly Exhaustive

In a classification, the property that the species taken together cover all the objects in the genus.