Approximately 50 Percent of Current Medicines Either Come from or Are

Approximately 50 percent of current medicines either come from or are based on natural substances.Researchers also depend on natural biodiversity as a source of future medicines, foods, and energy.This potential use of biodiversity most directly relates to which aspect or value of biodiversity?

A) Ethical values
B) Aesthetic values
C) Providing ecosystem goods and services
D) Furthering scientific understanding
E) Providing psychological benefits