Which Kingdom of Domain Eukarya is Probably the Ancestor of All

Question

Which kingdom of Domain Eukarya is probably the ancestor of all the other kingdoms?
A) Plantae
B) Bacteria
C) Animalia
D) Protista

Accepted Answer

Protista is considered the ancestral kingdom within the Domain Eukarya because it contains the most primitive eukaryotes, from which plants, animals, and fungi are believed to have evolved.