The scientific name for a white oak is Quercus alba; the scientific name for a red oak is Quercus rubra. What does this tell you about the organism?
A. White oaks are grouped in the genus Quercus.
B. Red oaks are grouped in the genus alba.
C. White oaks are grouped in the same species category as red oaks.
D. Red oaks are grouped in the species Quercus.