A Significant Feature of the Period from About 4 Million

question 31

Multiple Choice

A significant feature of the period from about 4 million to 2 million years ago is:

• A) a simple pattern of successive hominin species replacing each other though time
• B) the existence of multiple, contemporaneous hominin species
• C) slow, methodically increasing brain size in the hominin line
• D) evidence of increasingly proficient and more human-like upright locomotion

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Definitions:

Environment Alterations

Changes made to the natural or built environment, often due to human activity, which can impact ecosystems and human societies.

Relatedness

The state or fact of being connected or related to something else, often used in psychology to describe the feeling of being emotionally connected to others.

Monozygotic Twins

Twins that develop from a single fertilized egg, making them genetically identical.

Evolutionary Process

The gradual change in organisms over time through mechanisms like natural selection and genetic mutation, leading to the diversity of life.