Water, Marine botany, Ecosystem dynamics, Social groups, Microbiology, Communities, Trophic levels, Community life, Materials, Human societies, Materials science, Biology, Food webs, Plankton, Sociology, Botany, Pigments, Phytoplankton, Bacteria, Algae, Marine biology, Earth sciences, Ecology, Behavioral sciences, Bacteriology, Saltwater, Phycology, Hydrolog...