tangible evidence of their potential with remedies for all sorts of medical problems, from childhood leukemia to toothaches Seventy percent of plants identified as having anti- cancer characteristics by US National Cancer Institute are found only in tropical rainforest Twenty-five percent of active ingredients in today's cancer-fighting drugs come from organisms found only in rainforest.
species (and 0.1 percent of animal species) have been examined for their chemical compounds and medicinal value once a plant with desired qualities is discovered, it is rigorously analyzed for its chemical structure, then goes through clinical trials for effectiveness and safety before getting final approval from US FDA
like the prevention of cancer research. Rain forests contribute to biologically-important gasses in Earth's atmosphere: they produce large percentage of available O2 on planet via photosynthesis. Many plants found in rain forests are known to produce chemicals/natural products with enormous potential for large range of uses (controlling diseases, manufacturing, etc..). Rain forests are aesthetic: These are truly beautiful regions of the planet, exploding with colors and aromas and exotic sounds, isn’t that worth something?
of species per unit area than other biomes on Earth 2.as rain forest is cleared, only grass remains 3.rain forests controls rate of erosion in their watersheds ...when rain forest is destroyed, however, this causes many problems such as:
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