[Campbell Biology P.700] According to the "Products from Seed Plants" section, which of the ... | Practice Question

According to the "Products from Seed Plants" section, which of the following statements about human reliance on angiosperms for food is correct?

  • A: Just three crops yield 80% of all human-consumed calories.
  • B: Producing 1 kg of grain-fed beef requires 5-7 kg of grain.
  • C: Plant domestication began approximately 5,000 years ago.
  • D: Maize domestication primarily involved increasing its resistance to disease.

Explanation

The "Products from Seed Plants" section explicitly states that "It takes 5-7 kg of grain to produce 1 kg of grain-fed beef."