As a result of a drought, the average size of a bird's beaks on Daphne Major increased. This is an example of:
A. directional selection
B. disruptive selection
C. stabilizing selection
D. averaging selection
A. directional selection
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Which civilization is possibly the first officially Christian state in the world?
A) Harappan B) Shang C) Axum D) Teotihuacán
On what factors is the division of labor based in most foraging societies?
A) age and status B) wealth and gender C) gender and age D) status and wealth
The presence of sickle polish on stone blades from Franchthi Cave suggests that:
A. the inhabitants of the cave changed completely with the arrival of the Neolithic. B. the inhabitants of the cave were harvesting plants in substantial quantities. C. early pottery in Europe dates to approximately 10,000 years ago. D. the area was unoccupied prior to the arrival of Neolithic farmers.
While two-thirds of burakumin report that they had not encountered discrimination, what evidence suggests that inequality persists?
A) Most burakumin live in segregated communities with high unemployment. B) Burakumin are only allowed to marry within their group. C) Education levels are particularly low among the burakumin. D) Subtle messages in the media depict burakumin as undesirable