Bipedalism Is Considered One of the Hallmarks of Hominid Evolution

question 9

Multiple Choice

Bipedalism is considered one of the hallmarks of hominid evolution because it:

• A)was the first evolutionary development that distinguished humans from other animals.
• B)was possible only after the advent of simple material culture.
• C)followed brain expansion in human evolution.
• D)allowed hominids to come out of the trees and make tools 10 mya.

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Definitions:

P-Value

A measure that indicates the probability of obtaining test results at least as extreme as the ones observed during the test, assuming that the null hypothesis is correct.

Level of Significance

Another term for significance level, indicating the criterion used for rejecting the null hypothesis in statistical hypothesis testing.

Treatment Sum

The total sum of all the values of the outcome variable for a specific treatment level in an experimental design.

Squared Deviations

The squares of the differences between each data point in a data set and the mean of that data set, used in various statistical calculations.