Ecosystem services are services provided by the nature that benefit the mankind. Option d is correct.
The various and varied advantages to humans offered by the natural environment and sustainable ecosystems are referred to as ecosystem services.
Agroecosystems, forestry ecosystems, grassy ecosystems, and freshwater ecosystems are characteristics of such ecosystems.
Ecosystem service is provided by the nature that give many benefits to the mankind.
Plants purified the air and filtered the water, microorganisms decomposed the trash, pollinators pollinated the flowers, and tree roots kept the soil in place to avoid erosion are the main services.
Therefore, option d is correct.
Learn more about the ecosystem, refer to:
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