1. Seawater Chemistry and Density | Understanding ionic bonding in seawater, calculating brine density, and identifying factors affecting seawater density.

2. Crown-of-Thorns Starfish and Coral Reefs | Examining echinoderm classification, effects on coral species diversity, and population estimation methods.

3. Seagrass Ecosystems and Phytoplankton Blooms | Investigating manatee deaths due to algal blooms, seagrass ecological benefits, and nutrient cycling impacts.

4. Rocky Shore Zonation and Adaptations | Analyzing tidal zone classifications, abiotic factor variations, and marine organism adaptations to intertidal environments.

5. Mangrove Ecosystems and Coastal Protection | Exploring sediment deposition in estuaries, deforestation causes, and environmental consequences of mangrove loss.

6. Hydrothermal Vents and Ocean Chemistry | Discussing vent chimney formation, hydrogen bonding in ice, and the ecological role of deep-sea hydrothermal systems.