Related by context. Frequent words. (Click for all words.) 78 plankton 69 zooplankton 63 marine organisms 62 cyanobacteria 60 photosynthesis 59 invertebrates 58 algae 58 dissolved oxygen 58 krill 58 algal blooms 57 microbes 57 corals 57 organisms 57 chlorophyll 56 atmospheric carbon dioxide 56 marine ecosystems 56 upwelling 55 atmospheric CO2 55 algae blooms 54 acidification 53 microorganisms 52 sediments 52 nutrients 52 algal 52 nutrient rich 51 organism 51 microorganism 51 methylmercury 51 salinity 51 biosphere 51 nitrogen 50 micro organisms 50 oceans 50 reefs 50 nutrient 50 ocean currents 50 marine ecosystem 50 coral 49 coral reefs 49 organic compounds 49 organic molecules 49 crustaceans 49 bacteria 48 kelp 48 jellyfish 48 mammals 48 sea urchins 48 water vapor 48 phosphorus 48 ocean acidification 48 algae bloom 48 menhaden 47 larvae 47 sulfate 47 microbial 47 calcium carbonate 47 carbon sinks 47 sediment 47 ecosystems 47 microbe 47 grasses 45 carotenoids 45 sea creatures 45 mollusks 45 estuaries 45 larval 45 micronutrients 45 nematodes 45 protein synthesis 45 herbivores 45 baitfish 45 species 45 fungi 44 bacterium 44 bacterial 44 seagrass 44 aquatic species 44 aerosols 44 astrocytes 44 insects 44 seaweed 44 anthropogenic 44 hypoxia 44 invertebrate 44 phosphates 44 epithelial cells 43 oceanic 43 carbon dioxide 43 ocean 43 methane 43 spores 43 sulfates 43 lichen 43 neutrons 43 sunlight 43 earthworms 43 plate tectonics 43 Antarctic Peninsula 43 soils 43 lamprey 43 fatty acids