Consider Species A, B, and C, Who Share a Knuckle-Walking

question 53

Multiple Choice

Consider species A, B, and C, who share a knuckle-walking common ancestor. Species A and B are bipedal. Species C is a knuckle walker. Which of the following is most likely to be true?

• A) A and B are more closely related to each other than to C.
• B) A and C are more closely related to each other than to B.
• C) C and B are more closely related to each other than to A.
• D) There is not enough information to determine the most likely relationship.

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Definitions:

SPN

Short for Suspect Parameter Number, a code used in the J1939 protocol to identify specific functions or faults in vehicle systems.

J1939

J1939 is a set of standards used in the heavy-duty trucking industry for communication and diagnostics among vehicle components, facilitating efficient data sharing and control among the engine, transmission, and other systems.

DTC

Diagnostic Trouble Code, a specific code that indicates the nature of a problem detected in a vehicle's systems or components.

SAE J1939 Data Bus

A vehicle data bus standard developed by the Society of Automotive Engineers (SAE) for communication among vehicle components, primarily in heavy-duty vehicles.