Related by context. Frequent words. (Click for all words.) 64 photosynthesize 57 acidify 57 absorb nutrients 56 metabolisms 56 metabolise 55 photosynthesis 53 seeds germinate 52 nutrient uptake 52 atmospheric nitrogen 52 phytoplankton blooms 52 phloem 51 photosynthetic 51 symbionts 51 zooxanthellae 51 adsorb 51 oxidizes 51 absorbing carbon dioxide 51 motile 50 methanogens 50 deplete oxygen 50 microorganisms 50 metabolize 50 Dust mites 50 reproduce asexually 50 filter feeders 50 mycelium 50 oxygenating 50 oxidize 50 Geobacter 50 myoglobin 49 rotifers 49 digestive juices 49 absorb carbon dioxide 49 seedheads 49 fungal spores 49 hydrologic cycle 49 single celled 49 ionize 49 nutrients 49 gastropods 49 microbes 49 reactive oxygen 49 desiccation 49 organisms 49 overgrow 49 Phytoplankton 48 perspire 48 oxygenated 48 Ultraviolet radiation 48 respiration 48 unicellular 48 dehydrate 48 plankton blooms 48 excrete 48 chlorophyll 48 gut microbes 48 mycobacteria 48 microscopic algae 48 stomata 48 organism 48 acidic soils 48 fungi 48 potent greenhouse gas 48 mucilage 47 Gamma rays 47 metabolism slows 47 nitrogen fixing 47 metabolism 47 fluoresce 47 bioaccumulate 47 circadian clocks 47 Nerve cells 47 isoprene 47 planktonic 47 ultra violet radiation 47 diatoms 47 hydroxyl radicals 47 ejaculates 47 single celled organisms 47 nematode worms 47 Ultraviolet light 47 aerosol particles 47 Fruit flies 47 Physiologically 46 micro organisms 46 absorbs moisture 46 Earthworms 46 woody stems 46 metabolically active 46 isotope ratios 46 Nitrogen oxides 46 Bt toxin 46 xylem 46 woody plants 46 bacteria fungi 46 clathrates 46 chloride ions 46 blowholes 46 phagocytosis 46 lactase 46 alkanes