One hypothesis of the endosymbiotic theory suggests that prokaryotes capable of photosynthesis crawled into larger cells and became

One hypothesis of the endosymbiotic theory suggests that heterotrophic prokaryotes that were able to use oxygen when releasing energy from their food crawled into larger cells and became

Organic evolution attempts to describe how what originated?

Endosymbiotic theory states that chloroplasts and mitochondria were once what?

The theory of endosymbiosis proposes that chloroplasts were once which organism?

Miller and Urey tried to mimic the "organic soup" of the early Earth and create life, but they were only able to produce a few ______________.

The endosymbiotic theory states that certain organelles within eukaryotic cells may have originated as independent organisms.

Therefore, it is possible that mitochondria were once ____________________.