12. All the following statements are true about the evolution of multicellular organisms except? A. They are formed from multicellular colonial aggregates through cell specialization. B. They are believed to have evolved from single celled prokaryotes. C. The process of continuous specialization but more complex organisms. D. The single-celled organisms that for multicellular aggregates were like the cells of algae.
Answer (1)
AnswerB. They are believed to have evolved from single-celled prokaryotes.Multicellular organisms are believed to have evolved from single-celled eukaryotes, not prokaryotes. Prokaryotes (like bacteria) do not have a nucleus, while eukaryotes (like protists and algae) do — and multicellular life came from these more advanced single-celled eukaryotes.
