The Positioning of the Toe Indicated by the Arrow in the Figure

question 49

Multiple Choice

The positioning of the toe indicated by the arrow in the figure below suggests that the animal with this fossil hominid foot

• A) most likely always traveled on four feet.
• B) most likely spent all of its time swinging in the trees.
• C) traveled mostly on four feet but also spent a great deal of time swinging in the trees.
• D) probably walked upright on two feet and may have spent time in trees.

---

Definitions:

Completion Rate

The proportion of individuals who finish a task, course, or program out of those who started it, often expressed as a percentage.

Survey Completion

The process of successfully answering all questions or items on a survey or questionnaire.

Observational Study

A study in which the researcher observes and records behavior without manipulating variables or conditions.

Experimental Study

A research method where the researcher manipulates one variable to determine if it causes a change in another variable.