The Four-Chambered Heart First Evolved Among The

question 73

Multiple Choice

The four-chambered heart first evolved among the:

• A) arthropods.
• B) birds.
• C) nonavian reptiles.
• D) mammals.
• E) fishes.

---

Definitions:

Economic Systems

Organized ways societies distribute resources, produce goods and services, and allocate them among their populations.

Native Americans

The Indigenous peoples of the United States, including a vast number of tribes, cultures, and languages that existed in America before European colonization.

White Settlement

The establishment of communities in a new area by white people, often in regions previously or concurrently inhabited by Indigenous peoples or other ethnic groups.

Crop-Lien System

A form of credit extended to farmers, typically those who grew cotton, where future crops were used as collateral for loans to purchase supplies and land.