Which of the following hypotheses regarding Neandertals was generated following the discovery of the fossils Homo sapiens idaltu?​

A) ​Neandertals represent a dead-end side branch of human evolution.
B) ​Neandertals interbred with Homo sapiens and are in direct line to modern-day humans.
C) ​Neandertals are a side shoot from humane evolution since the time of the australopithecines.
D) ​Neandertals are not human.

Homo Sapiens Idaltu

An extinct subspecies of Homo sapiens that existed about 160,000 years ago, known from fossils found in the Middle Awash area of Ethiopia.

Neandertals

Extinct species or subspecies of archaic humans who lived in Eurasia until about 40,000 years ago, known for their distinct morphology and DNA differences from modern humans.

Human Evolution

The lengthy process of change by which people originated from apelike ancestors, characterized by developments in physical form and behavior.