Question

4. Scientists have hypothesized that eukaryotic cells with chloroplastsA. developed when an early eukaryote ingested a smaller prokaryotic cell,killing it.B. evolved from a symbiotic relationship between eukaryotic and prokaryoticcells.C. evolved from prokaryotic cells that ingested early eukaryotic cells.

Answer 1

Scientists have hypothesized that eukaryotic cells with chloroplasts evolved from a symbiotic relationship between eukaryotic and prokaryotic

cells. This theory is known as endosymbiotic theory, and occured due to the phagocytosis of a cyanobacteria which developed the ability to photosynthesize.

The correct option is C.