In Which Animal's Development Does the Rotation of the Grey

question 71

Multiple Choice

In which animal's development does the rotation of the grey crescent play a major role?

• A)the bird's development
• B)the sea urchin's development
• C)the grasshopper's development
• D)the frog's development

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Definitions:

Shaft

A cylindrical object or component that transmits rotational force or motion from one part of a machine to another.

Force And Shrink Fits

Describes a class of fits achieved by creating a size differential between two mating components such that the parts must be forced together, often involving heating or cooling to assemble.

Transitional Fit

A type of fit between two mating parts where interference may or may not occur, allowing for a balance between clearance and interference fits.

Clearance

The intentional space or gap between two parts or components, necessary to ensure proper fit, movement, or function.