A) tore into pieces
B) kept something away
C) formed small waves
D) told what happened

A) thoughts
B) damages
C) shortages
D) doubts

A) loud
B) last
C) living
D) lucky

A) nourished
B) flowered
C) thrived
D) accomplished

A) tending to break easily
B) having little spark
C) showing good taste
D) being comfortable

A) made a deep sound
B) handled clumsily
C) reduced to tiny bits
D) moved back

A) organisms and their environment
B) developments in a city
C) plants resembling a tree
D) people who are closely related

A) a general idea
B) an unenvenness existing between two things
C) a reproduction of the form of a person
D) an eventful day

A) There were 75 million buffalo in North America.
B) The buffalo provided the Indians with all their needs.
C) Loss of buffalo killed the prairie
D) Buffalo changed the prairie.

A) the cattle never ate too much grass, but the buffalo did.
B) the buffalo helped the prairie survive, but the cattle did not.
C) the sharp hooves of the buffalo helped rainwater reach the soil, but the flat hooves of the cattle packed the earth.
D) the buffalo were helpful in keeping the grasses healthy, but the cattle were not.

A) plants with fragile roots grew back
B) buffalo grass grew back
C) plants with tough roots grew back
D) nothing grew back

A) W.T. Hornaday
B) Sioux Chief Sitting Bull
C) President Theodore Roosevelt
D) General George A. Custer

A) The buffalo population will never be in trouble again.
B) All farmers use contour plowing.
C) It is important to protect both the buffalo and the native grasses.
D) Cattle are important to the farming industry.