The First Recognizable Ancestors of the Lineage Leading to Humans

question 16

Multiple Choice

The first recognizable ancestors of the lineage leading to humans are

• A) Australopithecus afarensis.
• B) Paranthropus.
• C) Sahelanthropus tchadensis.
• D) Orrorin tugenensis.

---

Definitions:

Permeable

Could relate to various contexts, but generally means allowing liquids or gases to pass through it. In psychology, it can relate to boundaries or filters through which external influences can affect an individual's state.

Radical Behaviorism

A perspective within psychology, founded by B.F. Skinner, which argues that behavior can be understood through observable actions and the environments that influence them, disregarding internal thoughts and feelings as explanatory factors.

Early Success

Achieving significant progress, recognition, or achievement in a particular area, often at a younger than average age.

Skinner's Theory

A behaviorist theory developed by B.F. Skinner that emphasizes the role of reinforcement and punishment in shaping behavior.