You Are on an Archaeological Dig in Africa When You

question 39

Multiple Choice

You are on an archaeological dig in Africa when you find a collection of stone tools along with several skeletons in a cave.These bipedal skeletons date to about 3.5 million years ago and show no evidence of a partially opposable toe.Measurements indicate the brains would have been a little less than a third of the volume of modern humans.The teeth found on these skeletons look more like those of an ape than those of a human.Your skeletal discovery is most likely which of the following?

• A)Sahelanthropus tchadensis
• B)Ardipithecus ramidus
• C)Homo erectus
• D)Australopithecus afarensis

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Definitions:

Observational Procedure

A methodological approach in research where behavior or phenomena are systematically watched and recorded without interference.

Structured

Organized in a clear, systematic way often with a specific pattern or framework to follow.

Psychosocial Stage

A phase in Erik Erikson's theory of human development in which individuals face a specific psychological conflict that must be resolved to move on to the next stage.

Erikson's First

Refers to the initial stage of Erik Erikson's theory of psychosocial development, "Trust vs. Mistrust", focusing on the importance of developing trust in the first year of life.