Most of the world's food supply comes from
A) only 12 plant crops.
B) wild plants.
C) frost- resistant crops.
D) more than 100 rain- forest species.
E) salt- tolerant crops.
Correct Answer:
Verified
Q9: takes into account both the biotic (living)
Q10: In 1947, prolonged flooding of the Kissimmee
Q11: Deforestation affects the climate in what way?
A)
Q12: The major goal of conservation biology is
Q13: In 2005, the authors of the Millennium
Q15: Maintaining soil fertility, purifying water, producing oxygen,
Q16: Tropical rain forests provide all of the
Q17: Why is it important to preserve the
Q18: Traditional medicines, which are used by the
Q19: Cutting down rain forests may result in
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