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

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

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

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

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

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

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

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

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

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

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

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

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