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.
The atoms and planes defining Ψ.
Crossing over during meiosis leads to allele combinations in sex cells that are not present in the p
Amino Acid carbon skeleton
Carbon Isotope ratio
Human activity has released carbon from sequestration in long-term reservoirs
Atmospheric carbon dioxide concentrations in ppm