Official 51 Lec 1
Question 1 of 6
What is the lecture mainly about?

A.

A research study that compares wild and domesticated plants.

B.

Problems with a commonly held hypothesis about the origin of teosinte.

C.

Reasons why wild plants are usually unsuitable for agriculture.

D.

The process used to identify the ancestor of a modern crop.

正确答案:D

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