1. Mangrove Leaf Cell Structure | Identifying cell structures under an electron microscope and explaining water potential in plant cells. 2. Fishmeal in Aquaculture | Evaluating alternative protein sources for fish feed, including soybean and fermented soybean. 3. Hydrothermal Vent Mining | Discussing the potential of deep-sea mining for rare elements and environmental concerns from conservation groups. 4. Gill Structure and Function | Comparing gill adaptations in fish species based on habitat and feeding methods. 5. Satellite Technology in Fisheries | Assessing the advantages and disadvantages of using satellites to monitor fishing vessels. 6. Microplastics in Marine Environments | Investigating causes of increasing microplastic pollution and its impact on marine ecosystems.