Among Vertebrates, the Unique Feature of Lampreys and Hagfish Is

question 15

Multiple Choice

Among vertebrates, the unique feature of lampreys and hagfish is the ________.

• A)presence of a cartilaginous skeleton
• B)absence of a backbone
• C)absence of jaws
• D)absence of a post-anal tail

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Definitions:

Behavior Approach

A perspective in psychology focusing on observable behaviors as the main source of psychological study and intervention, rather than internal mental states.

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