The total value of an ecosystem:

a. is composed of the direct economic value and the potential pharmaceutical value of an ecosystem.

b. includes all of the values embodied by the ecosystem, including future uses and non-use values (such as cultural, symbolic, and aesthetic values) of an ecosystem.

c. is the monetary value of all of the beneficial aspects an ecosystem provides.

d. is composed of the utilitarian uses and products an ecosystem provides, such as water storage and filtration, even if they are not directly paid for.

e. is composed of the direct values an ecosystem provides upon which a price can be placed, such as crops and medicinal plants.

Includes all of the values embodied by the ecosystem, including future uses and non-use values (such as cultural, symbolic, and aesthetic values) of an ecosystem.

Explanation:

Ecosystem may be defined as the constituent of the living and non living things present in the ecosystem. The living component includes the plants, animal and microorganisms. The non living component includes the water, air and soil.

The ecosystem provides oxygen and different gases important for sustain life. The ecosystem provides the aesthetic and cultural value that are used by future as well. Ecosystem provide medicine, food, furniture, fibers, habitat for the large number of organisms.

Thus, the correct answer is option (b).