In Light of the Out-Of-Africa Hypothesis,which of the Following Is

question 64

Multiple Choice

In light of the out-of-Africa hypothesis,which of the following is a parsimonious reason why species like Homo neanderthalensis,Homo floresinensis,and Homo erectus do not exist today?

• A) Modern Homo sapiens outcompeted and replaced other hominin species as they migrated around the world.
• B) Extensive gene flow between human populations led to a blending of traits that resulted in the evolution of Homo sapiens.
• C) As modern Homo sapiens developed new and more accurate hunting skills, they were able to hunt other hominin species to extinction.
• D) Climate change in Africa caused the extinction of all hominin populations except for the ones that gave rise to modern Homo sapiens.

---

Definitions:

Rewarding Pleasure

A feeling of happiness or satisfaction derived from an activity that is perceived as rewarding.

Obestatin

A peptide hormone believed to suppress appetite, produced in the stomach and intestines.

Ghrelin

is a hormone that stimulates appetite, leading to increased food intake and promoting fat storage.

Drive-Reduction Theory

A motivational theory that suggests that humans are motivated to reduce internal states of tension caused by unmet biological needs.