What Does the Positioning of the Toe Indicated by the Arrow

question 53

Multiple Choice

What does the positioning of the toe indicated by the arrow in this figure suggest about the owner of this fossil hominid foot?

• A)This hominid probably spent all of its time climbing through trees.
• B)This hominid was a hybrid produced from the mating of a Neandertal and an archaic human.
• C)This hominid has a partially opposable toe. It probably walked upright and spent some time in trees.
• D)This hominid was a member of an extinct line of human evolution that lived exclusively in water. It was probably the source of the myth of the mermaid.

---

Definitions:

Friedman Test

This test, which is non-parametric, is employed to spot treatment differences through numerous testing rounds.

Randomized Block Design

An experimental design in which subjects are divided into blocks based on certain characteristics before being randomly assigned to different treatments, reducing the influence of confounding variables.

Analysis Of Variance

A statistical method used to compare the means of three or more samples to determine if at least one of the sample means is significantly different from the others.

Friedman Test

This non-parametric approach is utilized to identify distinctions in treatments throughout multiple testing sessions.