Chloroplasts of red algae may have evolved from ancient endosymbiotic ____.
A) cyanobacteria
B) dinoflagellates
C) apicomplexans
D) archaeans
E) nitrifying bacteria

Question

Chloroplasts of red algae may have evolved from ancient endosymbiotic ____.
A) ​cyanobacteria
B) ​dinoflagellates
C) ​apicomplexans
D) ​archaeans
E) ​nitrifying bacteria

Quizplus · Accepted Answer

The endosymbiotic theory suggests that chloroplasts in algae and plants evolved from an ancient symbiotic relationship with cyanobacteria. Red algae are believed to have acquired their chloroplasts through this process of endosymbiosis.

Chloroplasts of Red Algae May Have Evolved from Ancient Endosymbiotic