1. Marine Ecosystem Adaptations | Investigating mangrove leaf cell structures, water potential, and starch storage advantages in plants. 2. Aquaculture and Sustainable Feeds | Evaluating fishmeal alternatives like soybean, fermented soybean, and their impact on fish growth and survival. 3. Renewable Energy and Deep-Sea Mining | Assessing hydrothermal vent mining for battery materials and its environmental concerns. 4. Fish Respiration and Gaseous Exchange | Comparing gill adaptations in different fish species, lamellae structures, and oxygen transfer efficiency. 5. Monitoring and Conservation Technologies | Exploring satellite tracking of fishing vessels and its advantages/disadvantages in resource management. 6. Microplastics and Marine Pollution | Examining causes of increased microplastic pollution and its impact on marine ecosystems.