what observation led researchers to propose that chloroplasts evolved from cyanobacteria?\no both produce…

what observation led researchers to propose that chloroplasts evolved from cyanobacteria?\no both produce proteins.\no both contain mitochondria.\no both provide structure to cells.\no both perform photosynthesis.

what observation led researchers to propose that chloroplasts evolved from cyanobacteria?\no both produce proteins.\no both contain mitochondria.\no both provide structure to cells.\no both perform photosynthesis.

Answer

Answer:

Both perform photosynthesis.

Brief Explanation:

Chloroplasts and cyanobacteria can carry out photosynthesis, suggesting an evolutionary link. Other options are incorrect as not unique to their relationship.