Vertebrates with a Three-Chambered Heart Include

question 21

Multiple Choice

Vertebrates with a three-chambered heart include

• A) fish.
• B) amphibians.
• C) birds.
• D) mammals.
• E) annelids.

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Definitions:

Poverty Rate

The percentage of the population whose income falls below the poverty line, indicating the proportion of people living in poverty.

Net Worth

The difference between assets and liabilities.

American Households

Units of living in the United States that consist of one or more people who live in a single housing unit, which may include families and roommates, and their economic and social characteristics.

Welfare Rolls

Lists or records of individuals receiving assistance from government welfare programs, which are designed to provide support for the needy.