Answer
(e)
Work Step by Step
The ESA protects species at risk of extinction, but does not regulate biosphere reserves; those are managed separately under UNESCO programs.
The answer is (e).
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.