According the Pictured Phylogenetic Tree, the Common Ancestor for All

question 114

Multiple Choice

According the pictured phylogenetic tree, the common ancestor for all Homo species is

• A) Homo habilis.
• B) Paranthropus boisei.
• C) Homo erectus.
• D) Homo ergaster.
• E) Australopthecus afarensis.

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Definitions:

Group Means

The average values obtained from the data of individuals within groups, used to compare and analyze the characteristics of different clusters in a study.

Null Hypothesis

A default hypothesis that there is no effect or no difference, and any observed change is due to chance or sampling error.

Probability Level

A statistical threshold, often denoted by alpha, which determines the cutoff point at which a result is considered statistically significant.

Statistically Significant

Refers to a result that is unlikely to have occurred by chance alone, according to a predetermined threshold in statistical testing.