N Nicole New member Sep 24, 2009 #1 If the brown algae obtained their chloroplasts through secondary endosymbiosis, then the number of membranes surrounding their chloroplast should be _________. A. 2 B. 3 C. 4 D. 5 E. 6
If the brown algae obtained their chloroplasts through secondary endosymbiosis, then the number of membranes surrounding their chloroplast should be _________. A. 2 B. 3 C. 4 D. 5 E. 6
