Q: What do many scientists think are the oldest eukaryotes?


Read this paragraph and choose the correct option from the provided answers:

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.

 Choices:

- prokaryotes

- plants

- arthropods

- protists


A:
protists