Please answer the following question: Answer the following question given this paragraph: Scientists think that protists are the oldest eukaryotes. If so, they must have evolved from prokaryotic cells. How did this happen? The endosymbiotic theory provides the most widely-accepted explanation. That's because it is well supported by evidence. Q: What do many scientists think are the oldest eukaryotes? Choices: - prokaryotes - plants - arthropods - protists A:
Answer:
protists