Related by context. Frequent words. (Click for all words.) 60 Amino acids 60 acidify 60 zooxanthellae 60 decaying vegetation 59 aragonite 57 photosynthesize 57 waxy substance 56 seagrasses 56 snail shells 56 microscopic algae 55 planktonic 55 nacre 55 deplete oxygen 55 marine organisms 55 filter feeders 55 amphipods 54 corals 54 tunicates 54 cambium 54 collagen fibers 54 nanosized 54 diatoms 54 marine invertebrates 54 photosynthetic organisms 53 hollow tubes 53 chitin 53 phytoplankton blooms 53 oxidise 53 carbonic acid 53 Methylmercury 53 Coral reefs 53 reactive oxygen 53 amyloid proteins 53 symbiotic bacteria 52 microenvironments 52 wormlike 52 acidic soils 52 streambanks 52 Phytoplankton 52 inter tidal 52 purines 52 Cyanobacteria 52 wetland ecosystems 52 symbionts 52 tannic acid 51 fruiting bodies 51 terrestrial ecosystems 51 coral formations 51 sea anemones 51 egg sacs 51 Microorganisms 51 atmospheric nitrogen 51 reproduce asexually 51 absorb nutrients 51 gastropods 51 Anthocyanins 51 foraminifera 51 coral 51 nanoporous 51 aquatic habitats 51 seagrass beds 51 metastable 51 unicellular 50 oxidizes 50 calcite 50 otolith 50 calcareous 50 larval stages 50 alkaline soils 50 intertidal zone 50 coquina 50 multicellular 50 refugia 50 discolour 50 ecologies 50 acidic 50 biological molecules 50 Domoic acid 50 bony plates 50 Sea otters 50 calcium carbonate 50 absorbs carbon dioxide 50 single celled 50 sooty mold 50 nonliving 50 otoliths 50 microscopic plankton 50 organic acids 50 Shewanella 50 mineral salts 49 bacteria fungi 49 flatworms 49 multicellular organisms 49 salt crystals 49 clathrates 49 organisms 49 absorbing carbon dioxide 49 microbial ecology 49 rotifers 49 filamentous 49 recharge groundwater