MARINE & COASTAL ECOSYSTEMS: biodiversity, coral reefs, mangroves, MPAs, climate reading comprehension passages. What metrics show a coastline is thriving? Track coral cover, seagrass extent, and fish biomass across reefs, mangroves, and kelp while testing how overfishing, pollution, and warming shift those curves. See where marine protected areas and community management bend the trends toward recovery. This digital resource features Read Aloud Audio, Self-Marking Multiple Choice Questions, Cr