Question

He endosymbiotic theory hypothesizes that mitochondria and chloroplasts were formed when ____________ cells were engulfed by larger cells that were precursors to ____________ cells.

Answer 1

The endosymbiotic theory hypothesizes that mitochondria and chloroplasts were formed when prokaryotic cells were engulfed by larger cells that were precursors to eukaryotic cells.

prokaryotic ; eukaryotic

Answer 2

He endosymbiotic theory hypothesizes that mitochondria and chloroplasts were formed when prokaryotic cells were engulfed by larger cells that were precursors to eukaryotic cells.