How would Earth be different without photosynthesis?
A) The amount of oxygen in the atmosphere would be lower.
B) Heterotrophs would have few food sources.
C) Autotrophs would reply on other chemical mechanisms to make carbohydrates.
D) More sunlight would be absorbed and converted to environmental heat.
E) All answers are correct.
Correct Answer:
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Q41: Match the steps of photosynthesis with the
Q42: The light reactions harvest _,while the carbon
Q44: Plants need water to fill their cells
Q45: Match the reactants of photosynthesis with the
Q45: Without photosynthesis,autotrophs would be more abundant.
Q47: Without photosynthesis,iron objects would rust slowly or
Q49: Electrons from water are used to replenish
Q50: Why are accessory pigments necessary in photosystems?
A)They
Q51: The carbon reactions can run on their
Q56: The carbon reactions produce ATP and NADPH.
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