Question

which of the following is not true concerning rainforests? a. twenty - five percent of western pharmaceuticals are derived from rainforest ingredients. b. almost 50,000 rainforest species are lost every year due to deforestation. c. half of all rainforest plants have been tested for their medicinal properties. d. projections say rainforest deforestation could eliminate half of the world’s species. please select the best answer from the choices provided

Explanation:

• Option a: It is true that a significant portion of western pharmaceuticals have rain - forest ingredients.
• Option b: High rates of species loss due to deforestation are well - documented.
• Option c: Only a small fraction of rainforest plants have been tested for medicinal properties, not half.
• Option d: Deforestation projections indicate major impacts on global species diversity.

Answer:

C. Half of all rainforest plants have been tested for their medicinal properties.