The Toe Pads of Tree Frogs and the Spines of Cacti

question 24

Multiple Choice

The toe pads of tree frogs and the spines of cacti are examples of

• A) behavioral traits.
• B) structural adaptations.
• C) sexually selected traits.
• D) artificially selected traits..
• E) proximate explanations.

---

Definitions:

Labor Intensive

Describes industries or processes that require a large amount of manual labor relative to the amount of capital equipment.

Confederations

An association of sovereign member states that, while retaining their independence, delegate certain powers to a central governing body.

Sophisticated Weapons

advanced and highly complex arms or equipment designed for military operations, characterized by cutting-edge technology.

Negotiations

The process by which two or more parties with differing objectives discuss an issue in an attempt to reach a compromise or agreement.