With domestication, the husk that encloses the edible portion of ...

[craiczarry]

With domestication, the husk that encloses the edible portion of wild cereals became
 
  A. tougher.
  B. thicker.
  C. darker.
  D. more brittle.
  E. Wild cereals do not have husks.

Question 2

In the Middle East, early cultivation began as an attempt to copy, in a less favorable environment, the dense stands of wheat and barley that grew wild in the hilly flanks. All of the following either motivated or facilitated this attempt EXCEPT
 
  A. population growth.
  B. climatic changes that reduced the available amount of wild wheat and barley.
  C. the existence of a vertical economy.
  D. human inventiveness and experimentation that occurred in the optimal zones, such as the hilly flanks.
  E. living in marginal areas most affected by climatic changes.

[cassie_ragen]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: D

[craiczarry]

TYSM

[peter]

Gracias!