Which of the following statements best describes the carbon atoms present in a seed-eating bird?
A) They were incorporated into organic molecules by plants.
B) They were processed into sugars through photosynthesis.
C) They are ultimately derived from carbon dioxide.
D) They were incorporated into organic molecules by plants, and they are ultimately derived from carbon dioxide.
E) They were incorporated into organic molecules by plants, they were processed into sugars through photosynthesis, and they are ultimately derived from carbon dioxide.
Answer: E
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