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Why Is the Variation in the Environment Sometimes More Challenging

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Why is the variation in the environment sometimes more challenging for organisms than the average conditions?


Definitions:

Backlash

The gapping or play between mating gear teeth usually measured with thickness gauges or a dial indicator.

Fatigue-Type Failures

Failures in materials or components that occur due to repetitive stress or strain over time, leading to cracks or breaks.

Gear Components

The individual parts that make up a gear system, including gears, shafts, bearings, and others, which transmit power and motion.

Spalled Tooth Surfaces

A condition where the surface of gear teeth becomes pitted or flaked off, usually due to fatigue, excessive loading, or material defects.

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