What are ethical and aesthetic services?

A. The products that humans obtained from the ecosystem that they can use.
B. The contributions of ecosystems that benefit human survival and well-being
C. The material benefits that humans received from ecosystems.
D. The nonmaterial benefits that humans received from ecosystems.

D. The nonmaterial benefits that humans received from ecosystems. Ethical and aesthetic services refer to the nonmaterial benefits that humans receive from ecosystems, such as spiritual, cultural, and recreational values. Examples include opportunities for nature-based recreation, cultural traditions and spiritual beliefs based on nature, and the intrinsic value of biodiversity and natural beauty.