29. Which one is the correct sequence of the origins of organisms on earth?
(A) Prokaryotes, multicellular eukaryotes, vascular plants, small invertebrates, single-celled eukaryotes.
(B) Single-celled eukaryotes, prokaryotes, multicellular eukaryotes, vascular plants, small invertebrates.
(C)Prokaryotes, single-celled eukaryotes, multicellular eukaryotes, small invertebrates, vascular plants.
(D) Prokaryotes, single-celled eukaryotes, vascular plants, multicellular eukaryotes, small invertebrates.
(E) Single-celled eukaryotes, prokaryotes, multicellular eukaryotes, vascular plants, small invertebrates.

答案：登入後查看
統計： A(0), B(0), C(28), D(13), E(2) #2343260