81.   The whole idea of engineering plant life strikes me as presumptuous.

82.   The two of them have to cross streams, fight thorny plant life and breathe clean air as they make their way down the mountainside.

83.   The villains come first, starting with those fungi that affect the plant life of special significance to humankind.

84.   There is no plant life beyond moss, molds, algae and other simple forms.

85.   They were looking for changes in the concentrations of organic and inorganic carbon isotopes, an indication of the presence or absence of plant life.

86.   This remote jungle, which has been described as both a living Eden and an open-air laboratory, features superb wildlife viewing, exotic plant life and native cultures.

87.   This overpopulated beach has been virtually denuded of plant life by wildlife of the two-legged variety.

88.   This state park is so popular that attendance is often limited on weekends and holidays to protect the fragile plant life.

89.   To the south of Chile is Antarctica, where no plant life exists.

90.   Trees and other plant life near the kilns often die.