How Many Distinct Nations Exist Within the Borders of the United

question 55

Multiple Choice

How many distinct nations exist within the borders of the United States?

• A) 1
• B) 567
• C) 5
• D) 155

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Definitions:

Survivorship

The probability that a given individual in a population or cohort will survive to a particular age; usually presented as a survivorship curve.

Species

A group of organisms sharing common characteristics and genetic heritage, capable of interbreeding and producing fertile offspring under natural conditions.

Reproductive Success

The passing of genes onto the next generation in a way that they too can pass on those genes.

Sun-exposed Slope

Describes the side of a hill or landform that receives direct sunlight, influencing its climate and vegetation.