To Which Cranial Nerve, Besides the Eleventh and Twelfth, Is

question 30

Multiple Choice

To which cranial nerve, besides the eleventh and twelfth, is the parapharyngeal space adjacent in the skull?

• A) Third cranial nerve
• B) Sixth cranial nerve
• C) Seventh cranial nerve
• D) Ninth cranial nerve

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Definitions:

Convergent Evolution

The phenomenon where unrelated species develop comparable characteristics independently due to the necessity of adapting to analogous environments or ecological roles.

Homoplasious Trait

A characteristic shared by a set of species but not present in their common ancestor, often resulting from convergent evolution rather than shared ancestry.

Analogous Trait

A trait shared by different species due to convergent evolution, not because of a shared ancestry, producing similar structures independently.

Monophyletic Group

A group of organisms that consists of all the descendants of a common ancestor, representing a single branch on the tree of life.