Place the following events in the history of life in
the proper order: appearance of humans, origin
of eukaryotes, dominance of dinosaurs and cone-
bearing plants, origin of animals, appearance of
first vertebrates, diversification of mammals, ori-
gin of flowering plants, first prokaryotes, move-
ment of plants and animals onto land.

The following events in the history of life in  the proper order:

first prokaryotes, appearance of  first vertebrates, appearance of  first vertebrates, movement of plants and animals onto land, dominance of dinosaurs and cone- bearing plants, origin of flowering plants, diversification of mammals, appearance of humans.

Explanation:

The organisms appeared or occurred in the following era tells the sequence of events:

Precambrian: First prokaryotes are found in this era in oceans. They were microscopic bacteria.

Cambrian era:  The ancestors of insects appeared in this group as shelled animals like brachiopods.

Ordovician: First marine vertebrates are seen in this era. They were fish and had spinal column. Origin of first vertebrate.

Silurian: First terrestrial plants appeared.

Devonian era: First amphibians came into existence is movement of plant and animals onto the land.

Carboniferous era: reptiles appeared.

Triassic era: Dinasour appeared and small mammals also came.

Jurassic era: dominance of dinosaurs and cone- bearing plants appeared.

Cretaceous era: origin of flowering plants.

Paleogenic era: Diversification of mammals.

Neogenic era: Appearance of human.