A Racehorse Cannot Stand on One Leg, but When It

question 43

Multiple Choice

A racehorse cannot stand on one leg, but when it runs it rarely has more than one leg on the ground. Why is a running horse more stable than a standing one?

• A)Its legs tilt so the hooves fall in line with its center of gravity.
• B)Its momentum gives it stability.
• C)Its internal organs act like a gyroscope.
• D)It uses its neck for balance the way a tightrope walker uses a pole.

---

Definitions:

Pigeon

A common bird known for its ability to find its way home over long distances, often used in research on navigation and in studies related to behaviorism.

Blue Light

A type of light with a short wavelength and high energy, which is emitted by electronic screens and can affect sleep patterns by interfering with melatonin production.

Biologically Predisposed

The inherent tendency or susceptibility to behave, react, or develop in certain ways based on genetic factors.

Taste

The sense that allows organisms to detect flavors, typically through specialized receptor cells in the mouth.