Look for patterns between inputs and food molecules. Pay attention to the atoms most present in food molecules (below left). Are they coming from air or water/fertilizer?

What is called the "building block" of life?

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

How does a gymnosperm prevent itself from pollinating the same tree