Related by context. Frequent words. (Click for all words.) 71 phytoplankton 66 plankton 63 diatoms 61 zooplankton 57 marine organisms 57 marine ecosystems 57 aquatic ecosystems 56 photosynthesis 55 ecosystems 55 invertebrates 55 filter feeders 54 microscopic organisms 54 organisms 54 Nutrients 53 copepods 53 biosphere 53 cyanobacteria 53 Spirulina 53 Coral reefs 53 acidification 52 lichens 52 ocean ecosystems 52 Microbes 51 keystone species 51 photosynthetic 51 nutrients 51 aquatic insects 51 biota 51 chlorophyll 50 alga 50 organic acids 50 micronutrients 50 coastal ecosystems 50 krill 50 nutrient rich 50 atmospheric CO2 49 atmospheric carbon dioxide 49 microbes 49 coral reefs 49 micro organisms 49 herbivores 49 algal 49 intestinal bacteria 49 marine ecosystem 48 trace minerals 48 biochemical processes 48 forest ecosystems 48 absorb carbon dioxide 48 Algae 48 single celled 48 microorganism 48 carbon sinks 48 algae 48 microorganisms 48 corals 48 Aerosols 48 eelgrass 48 aquatic organisms 48 metabolic processes 47 oceans 47 organism 47 atmospheric circulation 47 Microbial 47 Mangroves 47 seagrass beds 47 carotenoids 47 organic molecules 47 calcium carbonate 47 abundances 47 Triglycerides 47 pollinators 47 subduction zones 47 Aphids 47 atmospheric chemistry 46 Enzymes 46 nutrient 46 protozoa 46 organic compounds 46 catechins 46 Organisms 46 Bacteria 46 lichen 46 methylmercury 46 single celled organisms 46 fungi 46 Corals 46 polysaccharides 46 reefs 46 Nanoparticles 46 absorb nutrients 45 mountain glaciers 45 Toxins 45 ocean acidification 45 lipids 45 Plankton 45 grasses 45 olivine 45 Pathogens 45 albedo 45 biodiversity 45 Nitrogen