"Tracking the Ancestry of Corn Back 9,000 Years"

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Read the following New York Times article and then answer the questions below:
Tracking the Ancestry of Corn Back 9,000 Years

This activity contains 5 questions.

About how long ago did humans begin domesticating livestock and deliberately growing food?

	1,000 years ago
	10,000 years ago
	100,000 years ago
	1,000,000 years ago

It is believed that maize originated where?

AustraliaBrazilChinaMexico

It was originally believed that the teosinte was a closer relative to __________ than corn.

wheatricecottonsoybean

In crossing maize with teosinte, Dr. George W. Beadle succeeded with ____________.

hybridizationtest crossingsegregationtrue-breeding

Briefly explain the contributions of botanists, geneticists, and archaeologists in determining the history of corn, and why it is so important for them to work collectively.

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