Multiple Choice
Humans have historically obtained food from which three main food systems?
A) cropland, rain forests, and rangelands
B) rain forest, grasslands, and forests
C) oceanic fisheries, coastal intertidal habitats, and grasslands
D) rangelands, croplands, and oceanic fisheries
Correct Answer:
Verified
Correct Answer:
Verified
Q6: On a per person basis, world production
Q7: The Green Revolution is a response to
Q8: Drip irrigation produces high yields but requires
Q9: All of the energy (calories) consumed by
Q10: The dramatic increase in agricultural productivity over
Q12: Some strains of crops, called Bt crops,
Q13: Before amaranth can become an important commercial
Q14: Modern agriculture can easily support an ever-growing
Q15: The advantage of precision farming in contrast
Q16: Plant breeding remains one of the most