Lucy's Baby, an Important Australopithecus Afarensis Fossil from Northern Ethiopia

question 30

Multiple Choice

Lucy's baby, an important Australopithecus afarensis fossil from northern Ethiopia, includes a complete skull, mandible, and face. What is an important outcome of this find?

• A) It indicates that A.afarensishad a prolonged childhood period of slow brain growth.
• B) It has a human-like skull and upper body, unlike Lucy.
• C) It is the first fossil hominid child found alongside its mother.
• D) Lucy's baby has a large cranial capacity but was not bipedal, drawing into question how these traits develop in childhood.
• E) It sheds light on growth processes in human ancestors, including brain and dental development.

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Definitions:

Age-graded

Refers to activities, expectations, or roles that are assigned based on an individual's age in a society.

Cross-cultural

Pertains to or involving the comparison of different cultures or the interaction between them.

Maturation

The process of becoming mature; the developmental process of growing up or the development of natural growth, aging, or capability over time.

Thought Processes

Thought processes refer to the mental activities involved in cognition, including perception, memory, judgment, and reasoning.