Metric Micrometers Are Being Discussed

question 6

Multiple Choice

Metric micrometers are being discussed. Technician A says the hub is graduated in millimeters and half millimeters. Technician B says each revolution of the thimble equals one millimeter on the hub. Which technician is right?

• A)Technician A
• B)Technician B
• C)Both technicians
• D)Neither technician

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Definitions:

Secondary Helpers

Individuals that assist in the care and raising of offspring that are not their own, typically observed in social animal species.

Breeders

Individuals within a population that are of reproductive age and actively participate in mating and producing offspring.

Direct Benefits

Benefits that directly improve the fitness of an individual receiving them, often in the context of mate choice, including improved nutrition, protection, or resources.

Seychelles Warblers

A small bird species native to the Seychelles islands, known for its cooperative breeding behaviors.