When botanist Jack Harlan, using a primitive stone sickle, harvested wild wheat in southeastern Turkey, he demonstrated that
A) it would be easier for foragers to domesticate wheat than barley.
B) that a family of four could harvest a year's food supply in about three weeks.
C) that it was impossible to use wheat for food until it was genetically altered by domestication.
D) that wild wheat could provide only a meager and uncertain food supply.
E) none of the above
Question 2
The Neolithic Period, when people in the Middle East first domesticated plants and animals, lasted roughly from __________ years ago to __________ years ago.
A) 50,000/20.000
B) 20,000/10,000
C) 10,000/5,000
D) 15,000/10,000
E) 5,000/2,000