How Do the Footprints Pictured in "Fossil Footprints from Laetoli

question 73

Multiple Choice

How do the footprints pictured in "Fossil Footprints from Laetoli in Tanzania" reflect the belief of many scholars that Australopithecines had short legs and travelled slowly?

• A) The uneven depth of the footprints
• B) The footprints are spaced closely together.
• C) The directional variation of the footprints
• D) The relatively small size of some of the footprints

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Definitions:

Suppressing Activity

Activities or actions taken to stop or reduce a process or function, often used in a biological or mechanical context.

Vasopressor

A type of medication that constricts (narrows) blood vessels, leading to an increase in blood pressure.

Smooth Muscles

Involuntary muscles found in the walls of internal organs such as the stomach, intestines, and blood vessels, responsible for contractions and movements within those organs.

Blood Pressure

The force exerted by circulating blood upon the walls of blood vessels, a vital sign crucial for assessing cardiovascular health.