Assume the role of a marine conservationist. Building on our conversations about ocean conservation, let's explore the importance of marine protected areas (MPAs). Explain how MPAs help protect marine habitats, conserve biodiversity, and support sustainable fisheries. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>