A Taxon Is Paraphyletic If It

question 32

Multiple Choice

A taxon is paraphyletic if it

• A)includes the most recent common ancestor of all members of the group and all of its descendants.
• B)includes the most recent common ancestor of all members of the group and some but not all of its descendants.
• C)excludes the most recent common ancestor of all members of the group.
• D)none of the above

---

Definitions:

Unreal

Something that is not real or exists only in the imagination; not existing in physical or tangible form.

Obsessive-Compulsive Disorder

A mental disorder characterized by intrusive thoughts (obsessions) and repetitive behaviors (compulsions) performed to alleviate anxiety.

Irresistible Urges

Compelling desires or impulses that are difficult to control or resist.