Worth more than Gold

Which sentence from the  passage BEST supports the idea that growing mono-cultures can be risky.

• "American farmers grow wheat, soybeans, corn, and other foodstuffs"
• "Every cornstalk in the cornfield is exactly like its neighbors, with the same DNA"
• "If one cornstalk in the field can be killed like its neighbors, with the same DNA."
• "They look in gene banks for strain of wheat that fights that past well.

Tags

CCSS.RI.5.2

CCSS.RI.6.2

CCSS.RI.7.2

CCSS.RL.5.2

CCSS.RL.6.2

The following question has two parts. First answer part A.  Then, answer part B.  What is the main idea of : Worth More than gold?

• Gene banks protect the world's food supply.  
• People have studied DNA for hundreds of years.
• Mono-cultures are often destroyed by pests.
• The Irish potato famine began in 1845.

Tags

CCSS.RI.5.2

CCSS.RI.6.2

CCSS.RI.7.2

CCSS.RL.5.2

CCSS.RL.6.2

Which sentence from the article BEST supports the answer to part A.

• "That sentence means it has the same instructions for building itself"
• :If molecules are in trouble, what's in those vaults is worth more than gold"
• "If you want molecules that will fight potato fungus, you need the genes for making those molecules."
• "Becasue all teh potatoes in Ireland at the time were similar, most of the potato crop died"

Tags

CCSS.RI.5.2

CCSS.RI.6.2

CCSS.RL.5.2

CCSS.RL.6.2

CCSS.RL.7.2