What Is One of the Probable Explanations of the Extinction

question 21

Multiple Choice

What is one of the probable explanations of the extinction of the later australopithecines?

• A) They were eventually unsuccessful in competing for available resources with early populations of Homo.
• B) The broad-spectrum revolution was not adaptive.
• C) They had no social organization.
• D) They were a short-lived transitional stage between apes and humans.
• E) They are relatively unimportant to the study of human evolution.

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Definitions:

Low Birthweight

Refers to a birth weight of a newborn less than 2,500 grams (5 pounds, 8 ounces), which may be linked to health issues.

Brain Development

The process of growth and change in the brain’s structure, function, and pathways that occurs throughout a person’s life, but is most intense during childhood.

Selective Attrition

The phenomenon where participants drop out of a study over time, potentially leading to biased results if the dropout rate varies among the groups being studied.

Longitudinal Research

involves studies conducted over a lengthy period, allowing researchers to observe developments or changes in the subjects over time.