Biologists have long been aware that the defunct kingdom Protista is paraphyletic. Which of these statements is both true and consistent with this conclusion? Various combinations of prokaryotic ancestors gave rise to different lineages of protists.
b. Animals, plants, and fungi arose from different protistan ancestors.
c. Multicellularity has evolved only once among the protists.
d. Chloroplasts among various protists are similar to those found in prokaryotes.
e. The protists arose from a common ancestor that was a parabasalid.