Respuesta :
The federal agency protecting ecosystems and supervising public access to forests is the US forest service.
What is an ecosystem?
This is known as a biological community with all the organisms and the physical environment with which they interact.
Hence, we can see that The US forest service is the agency responsible for protecting and supervising the forest against the harm of the organisms.
Read more about ecosystem here:
https://brainly.com/question/7413811
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