Final answer:
b.extraction of anti-cancer chemicals from plants. The extraction of anti-cancer chemicals from plants is NOT an example of an ecosystem service that provides indirect use value to biodiversity.
Step-by-step explanation:
The NOT an example of an ecosystem service that provides indirect use value to biodiversity is extraction of anti-cancer chemicals from plants.
Ecosystem services are the benefits that ecosystems provide to humans. These services include filtering toxic microbes from freshwater, pollination of almond trees by bees, and prevention of soil erosion by plant roots, among others. However, the extraction of anti-cancer chemicals from plants is an example of a direct use value to biodiversity, as it directly utilizes the medicinal properties of plants without involving the ecosystem services they provide.