How Do We Know That All Living People Belong to the Species

question 53

Multiple Choice

How do we know that all living people belong to the species Homo sapiens?

• A) People from all populations can successfully interbreed.
• B) All modern humans have the same blood type.
• C) Humans from around the world look pretty much the same.
• D) Historical documents can trace ancestry back to the origin of our species.

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Definitions:

Horizontal Axis

The x-axis in a graph, typically representing the independent variable or the quantity of goods in economic graphs.

Vertical Axis

In a graph or chart, the y-axis along which numerical data, typically representing a variable being measured, is plotted.

Budget Line

A graphical representation of all possible combinations of two goods which a consumer can purchase with a given budget, at fixed prices for those goods.

Prices Rise

A situation where the general level of prices for goods and services increases over a period of time, reducing purchasing power, often referred to as inflation.