61.   Scientists say fruit-frugivore relationships are at the heart of understanding the dynamics of tropical forests.

62.   Temperate North American forests are dominated by two or three kinds of trees, but mahogany occurs only sporadically in tropical forests.

63.   The Biodome features a tropical forest, a Laurentian forest, and marine and polar habitats.

64.   The center explains tropical forest life with hands-on exhibits and a short film.

65.   The drugs previously discovered in tropical forests include vincristine and vinblastine, which are used for cancer, and quinine, the oldest malaria medicine.

66.   The Defendants, through Mr. Morris particularly, argued that it comprised all tropical forest including dry forest.

67.   The global economic heyday of the past decade exacerbated the plight of tropical forests worldwide.

68.   The Guanacaste Conservation Area is a tropical dry forest that differs from a rain forest in that it is only wet during the rainy season.

69.   The harpy, which inhabits tropical forests of Central and South America, is the most powerful bird of prey in the Western Hemisphere.

70.   The rediscovery inspired an intensive effort to save both the Jamaican iguana and the dry tropical forest of the Hellshire Hills that is its last redoubt.

a. + forest >>共 661
dense 6.23%
tropical 5.89%
thick 3.41%
nearby 3.12%
virgin 2.27%
surrounding 2.23%
natural 1.52%
ancient 1.47%
lush 1.31%
dark 1.22%
tropical + n. >>共 428
wave 21.76%
depression 5.67%
forest 4.53%
fruit 3.66%
island 3.24%
moisture 2.59%
plant 2.49%
disease 2.40%
heat 2.20%
air 2.10%
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