A Taxon Is Monophyletic If It

question 30

Multiple Choice

A taxon is monophyletic 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)does not include the most recent common ancestor of all members of the group.
• D)includes the most recent common ancestor of all members of the group.

---

Definitions:

Natural Monopolist

A single provider of a good or service in a market, where the nature of the product or service makes competition impractical due to high infrastructure or start-up costs.

Regulatory Commission

A governmental body responsible for enforcing specific regulations and overseeing the practices within certain industries.

Economic Profit

A financial gain that exceeds both the explicit and implicit costs associated with business operations.

Natural Monopolist

A firm that can supply the entire market at a lower cost than any combination of two or more smaller firms, often due to economies of scale.