If You Were Using Cladistics to Construct a Phylogenetic Tree

question 10

Multiple Choice

If you were using cladistics to construct a phylogenetic tree of birds,what is the best outgroup?

• A)eagles
• B)robins
• C)bats
• D)eastern bluebirds

---

Definitions:

Labor

Human effort, whether physical or mental, used in the production of goods and services.

Circular-Flow Diagram

A pictorial scheme of the economy, focusing on the exchange of dollars between households and firms through the market system.

Product Market

The marketplace where final goods or services are traded between sellers and consumers.

Circular-Flow Diagram

A visual model that illustrates the flow of goods and services and money between households and firms in an economy.