LAYTON, Fla. — Steps away from the warming waters of Florida Bay, marine biologist Emily Becker removed covers from the dozens of water-filled tanks under her watchful eye. University of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science senior research associate Dalton Hesley swims out with supplies, Friday, Aug. 4, 2023, on Paradise Reef near Key Biscayne, Fla. Students …