    Sentence \t:) What’ is» evidence  chloroplasts: » descended:..: frém  endosymbiotic cyanobacteria?    Sentence .°2:- The fact that.  chloroplasts “are ‘surrounded. by.  a. “double. némbrahe 18. often  cited: as evidence that they  are the “descehdants’. of  endosymbiotic cyanobacteria: