Which Area Listed Below Has the Smallest Two-Point Threshold

question 14

Multiple Choice

Which area listed below has the smallest two-point threshold?

• A) palm of hand
• B) back of hand
• C) back of neck
• D) lips

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Definitions:

Monotremes

Egg-laying mammals, such as the platypus and echidna, characterized by their unique reproductive system.

Marsupials

Mammals that carry and nurture their young in a pouch.

Jawless Fishes

A group of fish characterized by their lack of a true jaw, examples include lampreys and hagfishes.

Primitive Vertebrates

Early forms of vertebrates, such as fish and amphibians, that show basic features of the vertebrate lineage and provide insight into evolutionary history.