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.

answer; i believe the correct answer is (anemia);

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.