Why was the broad-spectrum revolution a significant event in human evolution?
A. It consisted of a massive fluorescence of colored cave paintings beginning about 70,000 B.P., which suggests the evolution of color vision and a truly human-style brain organization.
B. It brought about a new tool tradition based on flaked tools.
C. It provided the environmental circumstances that selected for the evolution of Mitochondrial Eve.
D. It provided new environmental circumstances that made important sociocultural adaptations like the development of plant cultivation more likely.
E. It led to the extinction of the Neandertals, who had survived until then by eating big-game animals.
Question 2
What species is associated with the broad-spectrum revolution?
A. robust australopithecines
B. Neandertals
C. anatomically modern humans
D. archaic Homo sapiens
E. Homo erectus
An example of vertical evolution: the horse
10 weeks old human embryo
Fetal development of human
human anatomy
The thorax of apes, including humans, is broad but shallow in contrast to the narrower, deeper chest
Human eye anatomy.