Multiple Choice
According to the figure, green alga resulted from ________, and Euglena resulted from ________.
A) primary endosymbiosis; both primary and secondary endosymbiosis
B) primary endosymbiosis; primary endosymbiosis
C) both primary and secondary endosymbiosis; secondary endosymbiosis only
D) secondary endosymbiosis only; primary endosymbiosis
Correct Answer:

Verified
Correct Answer:
Verified
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