Grass is a vegetation consisting of short plants with long narrow leaves. The grass family contains some 9000 species, including both terrestrial and aquatic species. No other plant family has been so successful in colonising a broad range of habitats across the globe. Most grasses have unconspicuous flowers that are wind pollinated. Certain species are cultivated as food crops Others are employed in horticulture. (a) consist (synonym): (b) narrow (antonym); (c) include (antonym): (a) aquatic (synonym (e) successful (synonym): (f) broad (antonym): (g) habitat (synonym): (h) unconspicuous (synonym) (i) certain (antonym): (j) employed (synonym).